Burner Brake is a great rear bike light from the team at Beryl. Its bright (200 lumens), waterproof and rechargeable but what sets its apart is the ability to detect when you slow down and warn other road users by intensifying the light.
180 degree visibility
battery level indicator
Battery performance from 3 hours (steady) to 17 hours (flashing)
Dimensions 85 W x 240 L x 30 H mm