WOSAWE Super Bright 2400 LUMENS Front Bike Light Headlight USB Cable 2X CREE XMK T6 LED Bicycle Headlamps Waterproof, Compatible with Mountain, Hybrid, Road, MTB, Easy Install & Quick Release USB cable Light: Save your money and time with the USB Feature. All your need is a power source to charge (computer, laptop, or cellphone charger) Attaches in seconds, no tools required, with 2 rubber rings, Guaranteed to fit most of bikes, Road Bikes, Commuter City bikes, or any Mountain & Kids bikes Super light weight & Water resistant: WOSAWE Lights with 75 Grams and IPX6 Rated, ensure high performance in the rain Bulbs & Lumens: 2X CREE XMK- T6, up to the Maximum 2400 Lumens, Range: 200-800m. Switch Modes: Low-Middle-High-Strobe (Press 3 Seconds into Strobe Mode) Includes: bike headlight, USB cable, USB to DV charging cable (3.0-5V) and 2 rubber rings