> Waterproof USB Rechargeable Bike LED Tail Light (Red)
> Use for bike, motorcycle, backpack or helmet..etc.
> 4 Mode: steady on, low flashing, flash, strobe
> Provides 15 lumens of light output, low power consumption and durable service
> Built-in 3.7V 500mAh lithium polymer battery, rechargeable via USB connection to either power bank or PC.
> Easy to install
> USB cable included