Requires hardwiring. For safety reasons only a professional electrician should install this item for you. 15,000 Watt Maximum Capacity Voltage surges damage all electrical or electronic items
like: TVs, VCRs, DVD Players, Computers, Printers, etc. Voltage drops damage all motor driven appliances like: Refrigerators, Freezers, Air-Conditioners, Pumps, etc. This model will protect your
appliance from both situations while converting the voltage. Works as a Step UP Transformer and also Step Down Transformer - Just by flipping a switch! Step UP Transformer and Stabilizer function:
Converts 110/120 Volt up to 220/240 Volt while keeping output voltage steady.