Smart rear bike light with brake detection, 4 modes, Type-C charging, and IPX6 waterproofing. Lightweight and bright for MTB, road, and urban cycling safety.
Enhance your visibility and ride with confidence using this smart brake-sensing bicycle tail light. Engineered for both road and MTB riders, this lightweight, compact tail light features intelligent induction that brightens automatically during braking, helping alert vehicles and cyclists behind you with a 3-second safety flash.
Equipped with COB lamp beads and a durable ABS+PC body, the light offers four easy-to-toggle modes—slow flash, breathing flash, burst flash, and constant light—letting you adjust based on your environment. Weighing only 22g, it’s ideal for cyclists who value minimal weight without compromising safety.
This rear light also includes an auto-sleep mode with a vibration sensor that powers down after 30 seconds of stillness and reactivates when you move—perfect for smart energy saving on stop-start rides. Its built-in 260mAh battery charges via Type-C in just a few hours and provides between 7 to 16 hours of runtime, depending on the mode.
Water-resistant to IPX6, it handles wet weather with ease (but should not be submerged). The light installs quickly on either your seatpost or saddle rails with no tools required.
SPECIFICATIONS
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Type: Smart rear bicycle tail light
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Model Number: Q2S
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Material: ABS + PC
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Lamp Beads: COB
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Battery: 3.7V / 260mAh rechargeable lithium polymer
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Charging Port: Type-C USB
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Charging Time: Approx. 2 hours
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Lighting Modes: 4 (slow flash, breathing flash, burst flash, constant light)
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Endurance Time: 7–16 hours
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Weight: Approx. 22g
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Mounting: Seatpost or saddle rail (tool-free)
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Intelligent Features:
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Waterproof Rating: IPX6
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Warranty: 1 year
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Origin: Mainland China
This smart brake light is a sleek, efficient safety upgrade for any cyclist. Designed to react when you need it most, it blends visibility, durability, and intelligence in one compact package.
