[LARGE BATTERY CAPACITY & USB OUTPUT FUNCTION]: , up to 800mah of ultra-high battery capacity, to long time lighting . And with usb output function, which can be used as power bank to provide emergency power for yoursmartphone. In the case of full charge, 4 hours of lighting can be provided from time to time depending on the mode of use. [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 automatically turn off the power. The lantern-type flashlight has a built-in protection circuit board. [MOST PRACTICAL MULTI-FUNCTIONAL SPOTLIGHT]: Our spotlight is divided into main light and sidelights, with 3 modes respectively. This can be used as working lights in high or low modes, flashing modes can be used as emergency lights (SOS function). [HIGH POWER BULB & PROFESSIONAL MATERIAL]: The handheld flashlights adopt a high power bulb, and it can illuminate any dark place. It is made of high-strength engineering abs plastic, fully enclosed structure, explosion-proof, dust-proof, shockproof, waterproof, rainproof, and splash-proof. (but don't put in water). [SUITABLE FOR VARIETY OF ENVIRONMENTS]: This spotlight is really easy to use and does not require much operation. Professionally designed handle, long time use not let the hand feel tired. It can be used as a marine spotlight, car, boat, emergency , work light, camp light, yacht, hunting, fishing, camping, survival, search, farm, and emergency light.