Electricity Usage Monitor & Automatic TimerNow you can control your valuable electronics and find out what they are actually costing you. Simply connect your appliance to the Kill A Watt® Control and it will track electricity consumption and display it in Kilowatt Hours. You can then program ON/OFF periods to save electricity and money. Using our patent pending Save A Watt® technology, the Kill A Watt Control combines the advantages of traditional mechanical and electronic timers. It is easy to program the quarter-hour ON/OFF periods for 7 days and 24 hours as you would program a mechanical timer.With the Kill A Watt Control, you are not limited – the unit allows unique programs for each of the 7 days of the week. The easy-to-read LCD display allows you to review and adjust your ON/OFF programs easily. Measurements and programming are stored in memory and retained during power outages. A backup battery (3X AAA batteries – not included) allow programming even when the unit is not plugged in.• Combination multi-event, 7 day/24 hour timer and electric consumption monitor• Easy to read, backlit LCD display• Surge, over current, over voltage, and under voltage protection provide clean safe power• Soft power-up eliminates harmful voltage spikes• Check the quality of your power by monitoring Voltage, Amperage, KWH and moreSpecificationsModel: P4482Operating Voltage: 120 VACMax Voltage: 125VMax Current: 15AMax Power: 1875 VABatteries: 3X AAA (not included)Weight: 9.5 oz.Dimensions: 5 3/8″H x 2 3/4″W x 2 3/4″DSpecifications subject to change without notice