Description: This item stabilizes electrical current, protects device from over loading and over voltage situation, improves power factor and prolongs service efficiency so as to reduce power loss, saving electricity and energy. No need of electric circuit refitting, plug in and play, easy installation and simple use. Digital LCD display, clear and easy to read the data of voltage fluctuation, more convenient. With a hanging hole and its light weight, it can be hung on the wall, saving space greatly. Suitable for air conditioner, washing machine, freezer, fluorescent lamp, electric fan, and everyday appliances. Features: The shell adopts high quality aluminium alloy material, fire and explosion protection, durable and safer to use. Digital LCD display, clear and easy to read the data of voltage fluctuation, more convenient. Stabilizes electrical current, protects device from over loading and over voltage situation, improves power factor and prolongs service efficiency so as to reduce power loss, saving electricity and energy. No need of electric circuit refitting, plug in and play, easy installation and simple use. With a hanging hole and its light weight, it can be hung on the wall, saving space greatly. Suitable for air conditioner, washing machine, freezer, fluorescent lamp, electric fan, and everyday appliances. Specification: Condition: 100% Brand New Shell Material: Aluminium alloy Color: Blue, Yellow (optional) Working Voltage: 110V-220V Frequency: 50-60Hz Effective Load: 80KW Working Temperature: -20~60℃ Product Size: Approx. 65 * 40 * 108mm / 2.6 * 1.6 * 4.3inch Package Weight: Approx. 270g Package Included: 1 * Energy Saver .