Material: ABS PC
Press and hold for 3 seconds, the red and white lights will be on, press again, and the yellow light will flash, press again to turn off the yellow light, press and hold for 3 seconds to turn off the light
Battery: 350MAH 14500 battery
Charging time: 1-2 hours, overcharge protection
LED brightness: 28LM
Use time: always on 9H
Suitable for mountain bikes with inner diameter: 19.2-20mm, 21mm road bikes
Charging indication: the switch indicator light shows green when charging, and it turns off automatically when fully charged