product name: 2266 bike warning lights

color: light red and white, white light is recommended as headlight, red light as taillight

mode: 6-speed light changing

power supply: lithium battery 3.7v 500mah
size: 10*3 * 1.8cm
net weight: 40g 80g (including packaging)
discharge: about 3-6 hours (different lighting modes and different usage time)

charging: usb charging (android port), input up to 5v 1a