PDW Excellent Gravity Tail Light

The Gravity Tail Light has a built-in accelerometer that detects deceleration or swerving and automatically changes to a super-bright, solid beam to warn following traffic.

– 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
– Includes brackets for seatpost and seatstay mounting