[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. [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). [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 , it 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 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.