- Built-in 3.7V 900mAh 18350 battery, with 36 hours continuous work time, practical for a long ride
- USB rechargeable, can power for mobile phone or PC USB
- 16 LED, with 200m visible distance, safer for night cycling
- 6 modes to choose - Night / day auto-detection design, more convenient for you
- Cycling auto-detection design to save energy
- IPX6 waterproof standard, no worry about light rains - Made of PC + ABS rubber, durable and sturdy to use