The bike rear light features cutting-edge LED technology to you are visible from a distance. Choose between Basic and Sensing modes to adapt to lighting conditions Crafted from robust aluminum alloy, this taillight is designed for both everyday commutes and intense cycling sessions Equipped with a Type-C charging port, this lamp offers easy and fast charging, ensuring you're to hit the road With an IPX5 waterproof rating, the taillight withstands all weather conditions Highlight Warning Taillight Size: CA.39x21mm Mode: 5 gears Breathing light mode - Fast flashing - Slow flashing - Running light mode 1- Running light mode 2 Range: 50-100M Waterproof level: IPX5 Battery capacity: 400mAh Long endurance: 20-50 hours Type-C charging: Support socket, computer, mobile power and other charging methods Charging tip: Red - Green - Charging complete Application scenario: Can be applied to the car pole, helmet, backpack colour: Black Material: Aluminum alloy Package Contents: 1 * Taillight 1 * USB charging cable 1 * Stand Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.