USB Rechargeable: Batteries are not included in the package, but there is a USB cable. When the flashlight is charging, the switch button is red, and when charging is complete, the switch button is green. 3 Light Modes: Our LED flashlight is 350 lumens with 3 convenient light modes for daily use, it is bright enough to be used as a lamp dedicated pocket or just for emergencies. DURABLE METAL CLIP: The compact clip feels very sturdy and prevents the flashlight from rolling too far on flat surfaces, so the flashlight stays in your pocket and always ready to use. Compact and Portable: Its compact design and balanced weight-to-size ratio make it ideal for everyone. Small enough to take almost anywhere and meet your different lighting needs. Versatile Use: IPX4 waterproof, our LED flashlight can work in rainy days, perfect for camping, hiking, fishing, running, walking, power outage routine, emergencies, targeted research and general home use. (Note: do not soak in water)