To allow the accelerometer to calibrate, always install the Gravity+ on your bike before powering it on. Hold the power button down for 1 second to turn the light on or off. Then, keep your bike still for 1 second after pressing the power button to complete the calibration.
Specifications
- Automatic accelerometer brake light function shines 100 lumens bright
- 2 Modes (runtime): Solid - 20 lumens (12 hours), Flash - 80 lumens (30 hours)
- USB rechargeable li-polymer battery
- Weatherproof exterior for all season riding
- Seatpost and backpack clip mounts included
- Mounts vertically or horizontally
- Includes USB-C recharging cord
- Weight: 1.9 oz
