USB Rechargeable: The 18650 battery and USB cable are included in the package. When the flashlight charged, the switch button was red, when charging was completed, the button of the switch was green. 4 Lighting Modes: Our LED flashlight is 600 lumens with 4 lighting modes (high, low, strobe and SOS) convenient for our daily use, it is bright enough to be a flashlight dedicated or simply available in case of emergency(Note: after the strobe mode, you need to long press for three seconds, then switch to the fourth mode - SOS). Durable Metal Clip: The compact clip looks much sturdier to prevent the flashlight from rolling too far on a flat surface, so the flashlight can stay in your pocket and be ready at any time. Compact and Portable: Its compact design and balanced weight-to-size ratio make it the ideal product for everyone. Small enough to take virtually anywhere and satisfy your different light demands. Widely Use: IPX4 waterproof, our led flashlight can work in rainy day, so perfect for camping, hiking, fishing, running, walking, power outage, emergencies, targeted searches and general household use. (Note: it cant be soaked in water)