Brake-Sensitive & Automatic On: This bicycle taillight features a smart brake warning function. Its built-in high-sensitivity acceleration sensor detects deceleration or braking, illuminating at maximum brightness for 2.5 seconds to alert following vehicles. It also features light and vibration sensors, automatically turning off in bright conditions (such as strong sunlight) or after 30 seconds of stationary motion. It also automatically turns on in dark conditions (such as in a tunnel) or when vibration is detected. (Double-click the power button to switch between automatic mode (default) and manual mode. Automatic mode only features brightness and vibration detection.)
Five Lighting Modes & Brightness Adjustment: A short press of the taillight's center button switches between five lighting modes: flashing (approx. 20 hours), jumping flashing (approx. 63 hours), fast flashing (approx. 47 hours), breathing flashing (approx. 21 hours), and steady on (approx. 8 hours). In steady on mode, a long press of the button allows you to adjust the brightness to three levels: high, medium, or low. (Short press the power button to turn on, and hold for 1 second to turn off.) The high-brightness LED lamp and innovative optical lens provide a bright yet dazzling light source, preventing pedestrians from getting in the way. The turbo lens design provides wide light distribution for excellent visibility.
[TYPE-C Rechargeable] The built-in 3.7V/250mAh battery can be recharged via USB-C, allowing you to charge conveniently anytime, anywhere using a power bank, USB port, or smartphone plug. An indicator clearly shows when charging is required. Needs charging: The indicator flashes blue rapidly. Charging: The indicator flashes blue swiftly. Fully charged: The indicator remains steady blue (and automatically turns off after 1 hour). Charging time is approximately 2 hours. (Note: When charging is required, the bicycle rear light's brightness will automatically decrease and the lighting mode will become unchangeable.)
[IPX5 Waterproof & Ultra-Lightweight] The rear light is IPX5 waterproof. The airtight PC shell provides durable, waterproof, and dustproof protection for the interior of the light. (Please close the charging port cover when using in light rain or other bad weather.) With a compact size of approximately 42 x 34 x 34 mm and an ultra-lightweight design of approximately 22 g (including the mount), this is a perfect accessory for cyclists looking to reduce weight.
[Easy Installation & Quality Guaranteed] There are two installation methods available: saddle rail or seat post, so you can choose the one that best suits your needs. (Mounts are included.) It is compatible with most bikes, including road bikes, mountain bikes, cross bikes, and folding bikes. We offer a 6-month warranty, and if you have any problems with the product, please feel free to contact us. We offer refunds, returns, and exchanges.
No-delivery refund
