Smart rear bike light with 7 modes, brake sensor, and magnetic base. IPX6 waterproof, 400mAh battery with up to 36h runtime. USB-C rechargeable and compact.

This magnetic rear bike light by ROCKBROS combines convenience, visibility, and intelligent features in a sleek, compact design. Built with a smart brake-sensing system, it brightens automatically when braking, alerting those behind you for added safety. Whether you're commuting through city traffic or riding trails in low light, this tail light enhances your visibility and protection.

The light features a stable magnetic base and comes with rubber rings for easy installation on the seatpost—no tools required. Once installed, it locks securely into place but can be removed in seconds for charging or storage. The 400mAh battery is USB-C rechargeable and delivers between 8 and 36 hours of use depending on the selected lighting mode.

With 7 lighting modes and a one-button interface, it adapts easily to various riding conditions, from dusk to nightfall. Intelligent motion sensing means it powers down when not in use and wakes up with movement—saving battery and ensuring it's always ready when you are.

Its car-style rear light design offers high visibility, while the IPX6 waterproof rating ensures performance in wet or rainy conditions. The lightweight 36g build won't weigh down your setup, making it ideal for road bikes, commuters, and weekend cyclists.

SPECIFICATIONS

• Brand Name: ROCKBROS

• Product Type: Rear bike light

• Material: PC + ABS

• Mounting Placement: Seatpost (magnetic base with rubber ring straps)

• Size: 66 × 19 × 28(33) mm

• Weight: Approx. 36g (including base)

• Battery: 400mAh (Type-C rechargeable)

• Run Time: 8–36 hours

• Lighting Modes: 7 modes (single button operation)

• Support Dimmer: 2–4 brightness levels

• Intelligent Features: Brake sensor, auto-off, vibration wake-up

• Waterproof Rating: IPX6

• Accessories Included:
  – Magnetic light
  – 2 rubber rings
  – USB-C charging cable

• Origin: Mainland China

Compact, waterproof, and smartly designed, this magnetic tail light is a reliable safety upgrade for cyclists—offering visibility, ease of use, and all-day battery performance.