ROCKBROS Smart Brake Sensor Bike Tail Light USB-C Colorful LED Rear Taillight US

Smart Brake Sensing Warning: Built-in high-sensitivity gravity sensor automatically detects braking or deceleration, instantly switching to a 2.5-second ultra-bright alert mode to warn vehicles behind and enhance night riding safety.
Intelligent Auto Sleep Vibration Wake: Equipped with light and motion sensors. The light automatically enters sleep mode after 30 seconds of inactivity or in bright environment, and instantly wakes up upon detecting vibration or movement.
10 Colorful Lighting Modes: Easy one-touch operation to switch between 10 light modes. Features a built-in memory function that automatically restores the last used mode when powered on.
IPX5 Waterproof Durable Build: Made with premium ABS+PC material and rated IPX5 waterproof, allowing reliable operation under rain and harsh outdoor conditions.
Long Battery Life Type-C Fast Charging: Powered by a 500mAh rechargeable lithium polymer battery, offering 19 to 27 hours of runtime on a quick 2-hour Type-C charge.
Dual Mounting Options: Comes with both a saddle bow bracket and seat tube strap, suitable for road bikes, mountain bikes, and commuter bicycles.Brand: ROCKBROS
Product Name: RB02 Colorful Waterdrop Taillight
Item Number: 2420012001
Material: ABS+PC
Battery: 3.7V / 500mAh Li-Po Battery
Lighting Modes: 10 Modes
Charging Method: Type-C
Battery Life: 19-27h
Charging Time: 2h
Waterproof Rating: IPX5 Waterproof Rating
Dimensions: 84*24*20mm