Product Details:

Brand: ROCKBROS
Mode: 4 modes Bright-Breathing-Flashing-SOS
Material: Aluminum Alloy + Plastic
Size: About 3*3.4*6.4cm
Weight: About 33g
Battery: 3.7V 300mAh
Battery Life: About 30h
USB Charging: Please use the built-in USB charging cable to charge, otherwise it will damage the lights

Installation:
1. Seatpost
2. Saddle Mount

Feature:

1. Smart start and stop + vibration sensor + light sensor. Dual mode cooperation, more worry-free
2. IPX6 Waterproof
3. Quick Install
4. Charging Reminder
Light-sensitive: Sensing bright light, the lights automatically turn off, when the light dims, the lights automatically turn on
Shock-sensitive: Stand for 30 seconds, turn off automatically, turn on automatically after sensing vibration