BenRan Bike Bright USB Rechargeable 5 LED Tail Light High Intensity Multi-Purpose Water Resistant Rearlight Backlight for Cycling Five super-bright red eXtreme LEDs and a built-in parabolic reflector provide visibility for up to one mile. Made using high quality materials. Tested to ensure quality and durability. Suitable for mountain bike,road bicycle,cycling,bike. Energy-saving and environmentally friendly, high brightness.