4 Colors Tactical Flashlight: This 4-in-1 multi-function tactical flashlight features four individual LED light sources (red, green, purple, white) to meet various needs such as hunting, camping, gas detection, military activities, and more. USB Rechargeable: Powered by one 18650 battery or three AAA batteries (battery not included). Includes a USB charging cable for convenient charging from any USB port. Zoom In/Zoom Out: Adjustable focus allows you to switch between spotlight and floodlight modes by extending or retracting the lens. Ideal for long-distance illumination or wide-area lighting. Waterproof and Durable: Constructed from aircraft-grade aluminum, this LED flashlight is waterproof and built to withstand outdoor environments and adverse weather conditions. Portable and Convenient: Compact design with lightweight construction for easy carrying and everyday use.