design: organic silicone sealing, waterproof, dustproof, shock resnt, suitable for all kinds of bad environment Application: bus, LED car displays, surveillance cameras, electric fan, , motor, photovoltaic energy numerical control equipment, water pumps, router, switch, LED lights, digital photo frame, electronic refrigerator, portable DVD, audio, security systems, portable tools, printers, network equipment, etc With over - current, over - voltage, overheating, short - circuit and other automatic functions Application: bus, LED car displays, surveillance cameras, electric fan, , motor, photovoltaic energy numerical control equipment, water pumps, router, switch, LED lights, digital photo frame, electronic refrigerator, portable DVD, audio, securi [Application]: Widely used in bus, LED car displays, surveillance cameras, electric fan, , motor, photovoltaic energy numerical control equipment, water pumps, router, switch, LED lights, digital photo frame, electronic refrigerator, portable DVD, o, security systems, printers, network equipment, various corresponding voltage industrial electrical equipment