FAQ-Zhejiang Liyi Security Protection Co., Ltd.

Absolutely. One of the core designs of the 39000 Series is its“modular construction”. We offer an extensive range of lengths—from 350mm to 2220mm—to precisely match everything from compact utility vehicles to large fire trucks or construction equipment. Please check our detailed sizing chart or contact our sales team with your vehicle model for a perfect fit recommendation.

Yes. The“360° horizontal warning”is achieved through a wrap-around internal layout of high-intensity LED modules. This design eliminates blind spots, ensuring the warning signal is visible from any angle around the vehicle. This is critical for safety in busy traffic, complex work sites, or emergency response scenarios.

Durability is engineered into every component.The lens is made from“UV-stabilized, imported Mitsubishi Polycarbonate”, and the base is high-strength ABS plastic. This combination offers superior impact resistance and is specifically formulated to prevent yellowing, cracking, or performance degradation caused by long-term sun exposure, rain, and extreme temperatures.

Yes. The 39000 Series is designed as a complete warning system. It features a dedicated mid-section for integrating a high-output loudspeaker (up to 120dB), allowing for a powerful synchronized audio-visual warning. This is ideal for applications where sound is necessary to penetrate noisy environments or alert pedestrians.

Installation is simple. The lightbar mounts securely to standard vehicle roof gutters using our “stainless steel brackets”. It operates on a wide“DC 9V-30V”range, connecting directly to most vehicle electrical systems without needing extra converters or complex modifications. All controls are easily accessible from the driver's cabin.

We offer significant flexibility to meet your specific operational needs: * Light Color: LED modules can be supplied in red, blue, amber, white, or combinations. * Flash Patterns: Multiple pre-set and programmable patterns are available. * Lens Color: Transparent lenses can be ordered in various colors. * Length: Custom lengths within our modular range can be accommodated for large orders.

It represents an optimal balance of“proven certification, robust construction, versatile design, and competitive pricing”. As our first model to achieve dual R65 certification—a milestone in our R&D history—it embodies over a decade of field-proven reliability and continuous refinement, making it a trusted and cost-effective choice for global users.

The LED61000 Series is designed and manufactured in strict accordance with the Chinese national standard GB 13954-2009 for vehicle warning lights and alarms. Furthermore, its optical performance meets the requirements of ECE Regulation R65, ensuring it is built to rigorous professional and safety benchmarks suitable for global deployment.

Yes. A major advantage of the LED61000 Series is its wide voltage input range (DC 10V to 30V). A single unit can operate seamlessly on both standard 12V and 24V vehicle electrical systems without any need for additional converters or modifications, simplifying your fleet inventory and procurement.

We offer flexible solutions for different needs: * Standard Models: Come with sturdy gutter-mount brackets and hooks for a permanent, secure installation on vehicle roofs. * Shorter Models: Support a powerful magnetic mount option. This allows for quick, tool-free installation and easy transfer between vehicles, ideal for temporary or multi-use applications.

The lightbar features an advanced microcontroller-based circuit. This enables stable, high-visibility flash patterns at 2-4Hz, which is the optimal frequency for human attention. More importantly, it supports custom multi-stage programming, allowing precise control over each individual light module for complex and highly distinguishable warning signals tailored to specific scenarios.

Durability is engineered through a tri-material construction: 1. Lens: High-quality, impact-resistant Polycarbonate (PC). 2. Base:Sturdy, UV-stabilized ABS. 3. Frame: Integrated aluminum alloy load-bearing structure. This combination provides superior resistance to physical impact, vibration, long-term UV exposure, and extreme temperatures (-40°C to +50°C operating range), significantly extending service life in harsh conditions.

The LED61000 Series is highly customizable to meet your operational and regulatory needs: * Size: Multiple lengths from 590mm to 1790mm and even longer * Light Color: LED available in red, blue, amber, green,purple and white. * Housing Color: Choose from red, blue, amber, or clear lens with a black base. * Flash Patterns:Standard patterns or fully customizable programming. * Control:Compatible with various external controllers for advanced system integration.

Absolutely. The LED61000 Series is the versatile (preferred warning choice) for a wide range of specialty vehicles. Its combination of bright, programmable lights, rugged construction, flexible mounting, and wide voltage compatibility makes it an ideal solution for municipal work, fire & rescue, construction, road maintenance, and utility fleets worldwide.

This refers to the internal light module configuration, which affects the light distribution and available lengths: *All-6-Light Series: Features a uniform layout of high-density 6-light modules, providing very intense and even 360° illumination. Lengths range from 560mm to 1800mm. *4 & 6 Light Mix Series:Uses a combination of 4-light and 6-light modules. This design can offer a different aesthetic and light pattern profile. Lengths range from 672mm to 1623mm. Both series provide full 360° coverage; the choice depends on your specific intensity and length requirements.

The LED62000 Series is engineered to meet both Chinese national standards“GB 13954-2009” and“GB 8108-2014”for vehicle warning equipment. Its optical performance is designed to conform to ECER65 standards, ensuring professional-grade quality and reliability for international use.

We provide flexible installation to suit different vehicles and use cases: * Standard Mount:Uses durable gutter-mount brackets and hooks for a permanent, secure fit. * Magnetic Mount (for shorter models): Offers a tool-free, temporary mounting solution that is easy to install, remove, and transfer between vehicles.

Absolutely. The LED62000 Series is built for harsh conditions with an operating temperature range of -40°C to +50°C. Combined with its sealed, all-metal housing, it ensures stable performance in severe cold, heat, rain, and dust.

Yes. Controlled by an advanced microcontroller, it supports stable standard flash patterns (2-4Hz). Crucially, it also allows for **custom multi-stage programming**, giving you precise control over each light module to create complex and highly visible warning signals tailored to your specific operational needs.

This series is highly configurable: * Size & Series: Choose from the two series and multiple lengths. * Light Color & Power: LED available in red, blue, amber, white (0.5W, 1W, or 3W power options). * Housing Color: Options include red, blue, amber, or a clear lens with black accents. * Control: Can be used with various external controllers for integrated system management.

It is the premium choice for demanding applications where maximum durability, effective heat management, and integrated audio warning are critical. The aluminum construction solves long-term outdoor degradation issues, making it the optimal (integrated audio-visual warning solution) for municipal, fire rescue, and heavy construction vehicles that require uncompromising reliability.

Not at all. Despite its sleek profile, it features a full aluminum alloy housing that can withstand 60kg of pressure without deformation. The alloy also provides superior heat dissipation, potentially extending LED life by over 30%. Its optical design strictly complies with ECE R65 standards, ensuring full 360° warning coverage with high-intensity output. The design enhances both aesthetics and performance.

Its low-profile, high-speed-optimized design makes it the ideal choice for highway patrol cars, rapid response vehicles, and any specialty vehicle where aerodynamics and a premium appearance are priorities. It is also perfectly suitable for all standard municipal, fire, and construction vehicles.

Installation is designed for flexibility and security: * Standard Models: Use robust gutter-mount brackets and hooks. * Shorter Models: Support a convenient magnetic mount option for temporary or transferable use. The low profile and streamlined shape make it particularly easy to mount securely on modern vehicle roofs.

It is engineered for extreme reliability with an operating temperature range of -40°C to +50°C. Combined with its sealed waterproof design and metal construction, it guarantees stable performance in virtually any climate or weather condition.

Yes. Controlled by a microcontroller, it offers stable standard flashes (2-4Hz) and supports custom multi-stage programming. This allows precise control over each light module to create unique, highly attention-grabbing patterns for specific operational needs.

The LED63000 Series offers extensive customization: * Size:Multiple lengths from 780mm to 1730mm. * Light Color & Power: LED in red, blue, amber, white (0.5W, 1W, or 3W). * Housing Finish:Sleek design with color options to match vehicle livery. * Audio:Optional integrated high-power siren. * Control: Compatible with various external controllers.

This premium lightbar is manufactured in strict compliance with the Chinese national standard“GB 13954-2009”. Most importantly, its optical performance meets the stringent requirements of ECE Regulation R65 &R10, a key certification for accessing European and other international markets.

Choose the LED63000 if you need a top-tier, high-speed-ready warning solution that doesn’t sacrifice strength for style. It represents the pinnacle of “optical, aesthetic, and ultra-slim” design, offering minimal wind resistance, maximum durability through aluminum construction, and full R65-compliant performance—making it the definitive choice for modern, high-performance fleets.

All our core products are designed and tested to comply with key European regulations. This includes ECE R10 for Electromagnetic Compatibility (EMC) and ECE R65 for optical performance. Adhering to these standards is mandatory for market access in Europe and is also a recognized benchmark for quality in many other regions, including parts of the Americas.

We offer a comprehensive portfolio to suit different needs and vehicle types: *Classic Models (e.g., LED639, LED331): Proven, reliable designs for general warning applications. * Advanced Lightbar Series (e.g., LED39000, LED61000): Feature-rich series offering modular lengths, R65 certification, and robust construction for demanding use. * Product Types:Our range includes mini beacons, dash/grille lights, interior lightbars, and full-size exterior lightbars, ensuring a solution for every mounting location and function.

Our warning lights are trusted to protect a wide array of emergency and service vehicles across Europe and North America, including: * Law Enforcement: Patrol cars, traffic units, and tactical vehicles. * Fire & Rescue: Fire engines, ladder trucks, rescue vehicles, and water tenders. * Emergency Medical Services: Ambulances and rapid response units. * Road Safety & Utilities: Highway maintenance trucks, tow trucks, and other utility vehicles.

Choosing us means partnering with a specialist focused on compliance, consistency, and long-term relationships. We combine deep regulatory knowledge (like ECE standards) with decades of manufacturing expertise. Our partnership with distributors like Capsud and Startax proves our capability to be a dependable, quality-focused source for professional-grade warning equipment year after year.

Standard quality certifications focus on durability and performance stability. R65 focuses entirely on safety and standardization of the warning function. It ensures that lights for emergency and specialty vehicles (fire trucks, police cars, construction vehicles) provide reliable, standardized visual alerts that protect both operators and the public.

The certification involves rigorous testing across four critical areas: 1. Optical Performance: Ensures 360°horizontal visibility with no blind spots, specified light intensity, and standardized flash patterns (e.g., 2-4Hz) for clear recognition in all weather conditions. 2. Environmental Durability: Tests operation in extreme temperatures (typically -40°C to +50°C), resistance to UV radiation, humidity, and aging to ensure long-term outdoor reliability. 3. Structural & Mechanical Safety: Verifies protection ratings (e.g., waterproofing), impact resistance, and secure mounting methods to prevent failure during high-speed travel or on rough terrain. 4. Electromagnetic Compatibility (EMC): Often paired with ECE R10 certification, this ensures the warning light does not interfere with the vehicle's critical electronic systems (e.g., brakes, navigation).

R65 certification has different performance levels. For example: * Level/Class 1: Meets the base requirements for warning lights. * Level/Class 2: Represents a higher standard with stricter requirements for light intensity, coverage, and environmental adaptability, making it suitable for more demanding scenarios. Some products, like our LED39000 series, hold dual R65 Level 1 & 2 certification, offering superior performance for complex operational environments.

No, this is a common misconception. Maintaining certification requires annual audits known as Conformity of Production (COP). These audits verify that every batch of mass-produced products remains identical to the original certified samples. Manufacturers like us undergo yearly reviews by authorized bodies to ensure ongoing compliance. This is why asking for proof of recent annual audits is crucial when selecting a supplier.

Yes. For a complete safety profile, our core products are designed to meet both optical and EMC standards. Our landmark LED39000 series, for instance, is a dual-certified product holding both R65 and R10 (EMC) certifications. This dual compliance is a best practice for ensuring full vehicle system compatibility and safety.

R65 standards guide our development from the start. For instance: * Optics: We use surround-layout LED modules to achieve mandatory 360°coverage. * Durability: We select premium materials like UV-stabilized polycarbonate (PC) and aluminum alloy to pass extreme environmental tests and extend product life. * Installation: Designs like our ultra-slim LED63000 series (for low wind resistance) or models with magnetic mounts are engineered to meet R65 structural and safety requirements while offering practical benefits.

Choosing R65-certified lights provides a verified "safety guarantee." It means the product has passed independent, scenario-based tests for critical safety functions. This minimizes risks on the job—whether it's a construction vehicle on a busy highway or a fire truck responding to an emergency. For exporters, it is the essential "passport" for seamless market entry and customs clearance in Europe.

While all are certified, each series is optimized for different priorities: * LED39000: The proven classic with over a decade of certified performance and excellent value. * LED61000 & 62000: Feature enhanced weather resistance and robust construction; the 62000 series adds an integrated siren. * LED63000: The ultra-slim, low-profile flagship designed for high-speed vehicles where aerodynamics matter. The choice depends on your specific vehicle type, operational environment, and feature requirements.

We provide official, traceable certificate numbers that can be verified through relevant certification body databases. Furthermore, as part of our commitment to transparency and ongoing compliance, we can provide documentation related to our successful annual COP audits. A trustworthy manufacturer should be able and willing to share this evidence of continuous compliance.