Features 1、1. USB charging: LED flashlight uses USB charging, built-in 18650 battery (not included) . It can be charged directly from our standard USB cable, powered by laptop, car charger, charger box, etc. , and has low power warning function, battery power shortage will flash red light. 2、 2. Adjustable focal length: Telescopic zoom. As you adjust, the lights either become smaller and more focused, or larger and less focused, but illuminating a larger area. 3、 3. Ultra-high brightness: When walking in the dark, it will provide a very bright area in front of your feet, and can be enlarged to about 200-300 meters. With high/low/strobe mode. 4、 4. Waterproof: The rechargeable flashlight is IPX 4 waterproof and can be used in almost any condition, from heavy rain to dry and dusty conditions. Non-slip design, durable aluminum body, impact resistance, can withstand rough handling. Light Weight, easy to grip. 5、 5. Application: Comfortable to touch, strong pressure resistance, for camping, hiking, fishing, running, walking the dog, power failure, emergency, targeted search and general family use. Product Size: 12.5 * 2.8 * 2.3 cm Net Weight: 80g Product material: Aluminum Alloy Type of bead: T6 strong light bead Power supply specification: 1 18650 lithium battery Charging mode: USB direct charging Switch gear: 3(strong light-weak light-flash) Brightness: 350 lm Range: 200-300m Zoom Mode: Zoom Color: black Lighting time: 3-5 hours Package List 1 * Flashlight 1 * Data Line