MOST PRACTICAL MULTI-FUNCTIONAL SPOTLIGHT: Our spotlight is divided into main light and sidelights, with 4 modes respectively. The main light can irradiate 2600ft / 800 meters in high mode for around 10 hours. which can be used as working lights in high or low modes, flashing modes can be used as emergency lights (SOS function).LARGE BATTERY CAPACITY & USB OUTPUT FUNCTION: Durable, ultra-high battery capacity, to guarantee long time lighting for you. And with usb output function, which can be used as power bank to provide emergency power for yoursmartphone. In the case of full charge, 8-15 hours of lighting can be provided from time to time depending on the mode of use.HIGH POWER BULB & PROFESSIONAL MATERIAL: The handheld flashlights adopt a high power bulb, which can reach the brightness of 1000 lumens at most, and it can illuminate any dark place. It is made of high-strength engineering abs plastic and aluminium alloy, fully enclosed structure, explosion-proof, dust-proof, shockproof, ipx5 waterproof, rainproof, and splash-proof. (but don't put in water).DIRECT CHARGING: It supports usb cable (included) and 5v dc charger adapter (not included). It is not compatible with adapters with a voltage higher than 5v. After fully charged, it will automatically turn off the power. The lantern-type flashlight has a built-in protection circuit board.SUITABLE FOR VARIETY OF ENVIRONMENTS: This spotlight is really easy to use and does not require too much operation. Professionally designed handle, long time use will not let the hand feel tired. It can be used as a marine spotlight, car, boat, emergency home light, work light, camp light, yacht, hunting, fishing, camping, survival, search, farm, and emergency light.