Feature: 1. Rain and lightning protection. Fully sealed body, ABS plastic insulation material, life-level waterproof, no diving. 2. Comfortable non-slip grip. Made of high-quality ABS material, comfortable grip 3. Battery: Built-in large capacity 18650 lithium battery 4. USB charging, micro USB interface 5. Lens: resin lens 6. Battery life: 3-6 hours 7. Power display: three indicator lights, representing 33%-66%-100% power 8. Three levels of brightness adjustment, strong light-Low light-flash 9. The large lamp holder has super far condensing light, long range, large range, 500m visible distance Package includes: 1x LED flashlight (built-in 18650 battery) 1x USB charging cable