Features :
1 . Environment-friendly materials, lightweight and durable.
2 . Silicone bracket for easy install and quick remove.
3 . With laser line function, can use as a laser pen, play with your pets.
4 . IP55 waterproof, can normally used in rainy days.
5 . Built-in 3.7V 500mAh battery, USB interface, easy charging.

Detail :
Color : Black & Red
Material : ABS+PC
Size : 95*28*23mm/3.7*1.1*0.9inchLamp Bead : 3528(5 LEDs+1 LD(laser))
Power Supply : 3.7V 500mAh battery
Charge Type : USB charging
Waterproof : IP55
Lumens : 150lux
Frequency : 60HZ
Suit for : Bracket fits 22-35mm tube

Function:
1 . LD laser line and LED Tail light.
2 . LD, LED independent switch control with USB connector.
3 . LD working mode: slow flash-fast flash-keep bright.
4 . LD working mode: LED light up one by one. flash in cycle keep bright.
5 . Quick release handle bar mount: fits for 22-35mm.

Performance:
1. If LED and LD work at the same mode together: 2.5 hours for keeping bright, 5 hours for fast mode, and 7 hours for slow mode.
2 . For recharge, the light is red, When charging is over, the light will be green. For discharge,the green light on;When voltage is lower 2.7V, the light become red ,When voltage is lower than 2.6V, LD function off,but LED still work as normal,When voltage is lower than 2.5V, start battery protection

Include:
1* Bike Tail Light
1* Silicone Bracket
1* USB Cable