USB Rechargeable: 18650 battery and USB cable are included in the package. When the flashlight charged, the switch button was red, when charging was complete, the switch button 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 emergency (Note: after strobe mode, you need to long press three seconds, then switch to fourth mode - SOS). Durable Metal Clip: The compact clip looks much more sturdy to prevent the flashlight from rolling too far on a flat surface, so that the flashlight can stay in your pocket and be ready at all times. 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 meet your various light demands. Use Widely Use: Waterproof IPX4, our led flashlight can work on rainy day, so perfect for camping, hiking, fishing, running, walking, power outage, emergencies, targeted searches and general home use. (Note: it cannot be soaked in water) Specification: Material: aluminum alloy LED type: XML-T6 Lumen: 600LM Size: 12.6 x 2.7cm Net weight: 141g Product package: 1 x Flashlight 1 x 18650 Battery 1 x USB cable