ROCKBROS Smart Brake Sensing Rear Bike Lights,Auto Light Sensing Bike

Product Material:
Shell: Aluminum alloy
Lens: PC
Bracket: PA66+PC
Straps: Silicone
Lamp beads: Optical lamp beads(,Main lamp beads)+24 COB lamp beads（outer ring）
 
Battery Information:
Battery parameters: 400mAh/3.7V/1.554Wh
Charging input: DC5V-340mA/Information:TYPE-C charging/About 2h
Battery life: 11~45h
 
Product Specifications:
Product specifications: About 3.2x4.3x4.3cm
Product weight: About 49g(Light weight only，no accessories included)
Waterproof grade: lPX5
 
This bicycle taillight is made of aluminum alloy, which is durable and lPX5-grade water-proof, without fear of bad weather. Built-in light-sensing element, it is stationary for 30s in automatic mode and enters sleep, wakes up from vibration and lights up and flashes quickly for 3 seconds when braking to improve safety.6 lighting modes and 2 levels of brightness are adjustable to meet different needs.The switch indicator light displays the mode and battery status, and the dual installation method is adapted to the seat bow and seat pole, which is intelligent and practical, and provides an escort for night riding.