1). Automatically detects high low voltage thresholds and protects appliances connected to them - by isolating that harmful power reaching 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 appliances 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 Automactic Washing Machine, Microwave, A.C, Dish Washer, Water Heater 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. 9.) According to World Standards, following plug types can be connected to input as well as output: Input: Type M Plug Output: Type C Plug, Type D Plug, Type M Plug