1. High-power, high-brightness, energy-saving options;2. Using high-power LED lamp beads, front light-emitting mode, uniform light color without dark areas;3. The outer cover is made of PMMA material, with high transparent light rate and anti-glare;4. It can be switched on and off frequently, no flicker and glare, and good color rendering performance;5. Using high-efficiency LED current driver chip, the efficiency can be as high as 90% or more6. Service life 35000 hours7. Tested at an ambient temperature of 50Celsius, the luminous flux maintenance rate for 6000 hours is greater than equal 93%, and the luminous flux maintenance rate for 35000 hours is greater than equal 70%Waterproof line length (wire length tolerance is about 1-2CM):Headlight: 28CM+Bus 26CMSwitch: 42CM+bus 26CMBus with separate bulkhead: 35CMTail light: bus 13CM+145CMPower supply: 35CM+bus 18CM separates one and two lines:Total length 30CM tail light power supply part 12CMElectrical parameters:Product Model: Headlight -021Power input voltage: 24~60VLamp current/power: 59mA/2.8WBrightness []: 180~200LMSpeaker current/power: 44mA/2.1WSpeaker volume: 80~100dBTaillight parameters:Applicable voltage range: 24-60VPower: 1.5WNumber of light sources: 14Luminous flux: 15LMProduct size: 132x65x40mmSwitch parameters:Product size: 26x53x61mmLine length: about 42CMColour:As shownMaterial:Plastic + MetalPackage Contents:1 x front light1 x tail light1 x switch1 x 2T2 assembly cable1 x mounting bracket1 x JULET 1T2 813 waterproof cableOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.