Voltage Control Device : Single Phase Voltage Protection Device offers the over voltage, under voltage and surge protection to specific device connected with the socket. This Protection Plug Device is Designed to Protect the Home Appliance from Uneven Voltage Range. This Device is best suited where the input voltage range is unstable. This Voltage Stabilizer Device is Specially Useful when Solar Rooftop system is installed within your nearby area. This Equipment is easy to use and easy to install. User don't need electrician to install this device. User can set the under voltage and over voltage range as per appliance rating. This Voltage Controller is Recommended for Washing Machine, Laptop, Fridge , TV, DTH Set Top Box, CCTV DVR, WiFi Routers, Mobile Phones, Tablets Chargers, Tea Coffee Machine(up to 1KW), Home Theater, DVR, Gaming Console, Scientific Instruments, Food Processor, Water Purifiers, Vacuum Cleaner etc.