Ultra-Bright Bike Tail Light with 6 Modes: Featuring 31 high-performance LEDs, this bicycle tail light offers up to 160 lumens of brightness. Easily switch between Slow Flashing, Breathing, Fast Blinking, Steady Light, Emergency Light, and OFF modes using the remote control, ensuring you are visible day and night Turn Signals with Click Sound and Smart Brake Light: Use the handlebar-mounted remote to signal your turns with a clear click sound. The built-in G-sensor automatically brightens the rear light for 2 seconds when you brake, alerting drivers behind you and helping to prevent rear-end collisions. These features make your intentions clear to everyone around you Anti-Theft Vibration Alarm and Electric Bike Horn: The 110dB vibration-activated bike alarm deters thieves effectively with 7 adjustable sensitivity levels. The electric bike horn offers 3 sound options to alert others of your presence, adding an extra layer of security and convenience Smart Auto On/Off and USB-C Rechargeable: This bike tail light automatically turns off during the day and activates at night when it detects movement. It automatically shuts off after 30 seconds of inactivity to save power and boasts a long standby time of 4-8 months. Rechargeable via USB-C, it provides up to 7 hours of continuous use on a full charge and up to 70 hours in fast blinking mode Perfect for E-Bikes and Road Safety: Designed for bike and electric bikes, this bike tail light enhances your visibility and safety on the road. Easily control all functions with the remote, ensuring a secure and confident ride in various conditions