Smart Plug High Low Voltage Cutout/Protector rated @ 16Amp with Surge Protection upto 4000 Volts. 1). Automatically detects High Low voltage thresholds and protects appliance connected to it - By isolating that harmful power reaching to your appliance. Thus Smart Plug prevents damage to electrical and electronic equipment / appliances from power fluctuations, specifically over and under voltage levels of long duration. When the mains power supply fluctuates outside preset tolerances (nominally 165 and 270V) the power to your equipment is disconnected by Smart Plug. 2). Automatically detects safe voltage range and keeps your appliance running safely under the shield of Smart Plug. 3). Startup delay ensures proper power conditions before applying power to your appliance connected to Smart Plug. 4). Very compact and affordable design to protect your appliances from dangerous voltage fluctuations. 5). Easy to use and handy design that makes housewives comfortable to use. No cumbersome installation procedure. 6). A must safety device for domestic appliances like Washing Machine, Microwave, A.C, 1Ph-1HP Pump etc. India's first High Low Voltage Protector / Cutout. 7) Surge Protection up to 4000 Volts (20 C/s). 8) Compliant with Stringent International Tests Standards IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-11, IEC 61000-4-13, IEC 61000-4-14, IEC 61000-4-28.