Super bright & long battery life, generates a powerful beam illuminating your path at night. Solar or USB charging, provide more convenience. Help you see the obstacles on the roadway, and be seen by other drivers. IP64 waterproof, durable and shock-proof. Make the cycling more safe. Type: Bike Light Headlight: Light Mode: High Light, Low Light, Strobe, SOS Battery: Built-in 1000mAh Lithium Battery Brightness: 240 Lumen Power: 3W Waterproof: IP64 Charging Time: Solar: 12 Hours, USB: 6 Hours Features: Solar/USB Rechargeable, High Brightness, Durable, Easy to Install, Bike Safety Light Size: 10cm x 4.8cm x 7.2cm/3.94" x 1.89" x 2.83" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.   Package Includes: 1 x Bike Headlight 1 x Mount Bracket 1 x USB Charging Cable 1 x Bike Tail Light(Optional)