5-in-1 Smart Bike Tail Light: Integrates turn signals, automatic brake lights, anti-theft vibration bike alarm, bike tail light, and e-bike horn into one compact unit. Increase on nighttime riding and protect your bike from theft with this accessoryUltra-Bright Bike Tail Light with 6 Modes: This bike tail light features 31 high-performance LEDs with up to 160 lumens brightness. Easily switch between slow flash, breathing, fast flash, steady light, emergency light, and off modes with the remote control, ensuring you are clearly visible both day and nightTurn Signal with Clicker Smart Brake Light: Signal your turns with a clear click sound using the handlebar-mounted remote control. The built-in G-sensor automatically turns the tail light on for 2 seconds when you brake, alerting drivers behind you and helping prevent rear-end collisions.Anti-Theft Vibration Alarm E-Bike Horn: The 110dB vibration-activated bike alarm has 7 adjustable sensitivity levels to effectively deter thieves. The e-bike horn offers 3 sound options to alert others of your presence, adding extra and convenienceOnOff USB-C Rechargeable: This bike taillight automatically turns off during the day and activates at night when movement is detected. It automatically turns off after of inactivity to save power and has a long standby time of 4-8 months. Rechargeable via USB-C, it can be used continuously for up to 7 hours on a full charge and up to 70 hours in fast flash modefor all bicycles and road bikes: Designed for bicycles and e-bikes, this taillight enhances your visibility and keeps you safe while riding. Easily control all functions with the remote control to a safe and confident ride in any conditionsColour:blackMaterial:plasticPackage Contents:1 * Bike Rear Light1 * Remote ControlOnly 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.