1,When the protected circuit enters an unsafe value, the built‑in protector automatically cuts off the circuit, and resumes normal operation when the value returns to the normal range. Possess automatic protection functions such as overcurrent, overvoltage, overheating, short circuit, etc., 2,Designed with potting and waterproof technology, which bring all‑round protection, more stable and reliable 3,Using waterproof design, the use of organic silica gel potting has waterproof, dustproof and shockproof effects, and is suitable for use in various harsh environments 4,Can be used for LED car display, surveillance camera, electric fan, water pump, motor, photovoltaic energy numerical control equipment, water pump, router, ADSL modems, switches 5,Suitable for LED lights, digital photo frames, electronic refrigerators, portable DVDs, stereos, security systems, portable tools, printers, network equipment, various industrial electrical equipment with corresponding voltages, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.