USB rechargeable: battery and USB cable are included in the package. When the flashlight is charging, the switch button is red, and when charging is complete, the switch button is green (Note: When using the battery for the first time, please remove the film from battery surface). 4 Lighting Modes: Our LED flashlight is 600 lumens with 4 lighting modes (high, low, strobe and SOS) for our daily use, it is bright enough to use as a dedicated flashlight or just for emergencies (Notes: Strobe in back mode, you need to press and hold for three seconds, then switch to fourth mode - SOS). DURABLE METAL CLIP: The compact clip looks sturdier to prevent the flashlight from rolling too far on the surface, so the flashlight can be kept in your pocket and ready to go. < p>Small and Portable: Its compact design and balanced weight-to-size ratio make it ideal for everyone. Small enough to be carried almost anywhere to meet your different lighting needs. Wide Usage: IPX4 waterproof, our LED flashlight can work in rainy days, perfect for camping, hiking, fishing, running, walking, power outages, emergencies, targeted research and general home use. (Note: do not soak in water)