Material: ABS Single Gross Weight: 48g Packing Size: 7*7*6.5cm 3 Light Modes: Quick Flash, Running Water, Flash Protection Level: IP65 Scope Of Use: Bicycle Tail Light Features: 1. High Brightness, Safer, Dark Night Requires A Good Tail Light 2. USB Portable Charging, Fast Charging, Multiple Charging Methods To Ensure Your Riding Needs 3. Night Driving Flashlights Make It Easier For Other Road Users To See You 4. It Adopts A Sealed Shell And Is Waterproof, Making It Your Reliable Companion In Bad Weather. 5. You Can Install It Under The Saddle With A Metal Mounting Bracket Or Mount It To The Seat Post With An Adjustable Silicone Strap Package Included: 1 * Tail lights 1 * Charging cable 1 * Strap