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 various 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.