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. Our spotlight is divided into main light and sidelights, with 3 modes respectively. The main light can irradiate 300 meters in high mode for around 5 hours. which can be used as working lights in high or low modes, flashing modes can be used as emergency lights (SOS function). Durable, rechargeable lithium-ion battery, up to 1200mah of 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 your smartphone. In the case of full charge, 5-8 hours of lighting can be provided from time to time depending on the mode of use. The handheld flashlights adopt a high power bulb, which can reach the brightness of 500lumens 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, IPX4 waterproof, rainproof, and splash-proof. (But dont put in water)