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The P4456 Kill A Watt Flex is the next-generation upgrade to the classic P4400, offering enhanced tracking, stored data, and deeper insights into your energy usage. Unlike basic watt meters, the P4456 stores your power usage data, so you don’t lose readings when moving between outlets or appliances. See not just how much electricity you use, but your estimated environmental impact — a feature not available on standard watt meters. Instantly measure volts, amps, watts, kilowatt-hours, and projected electricity costs by day, week, month, or year with improved display cycling. Ideal for refrigerators, freezers, space heaters, AC units, gaming PCs, mining rigs, and appliances with fluctuating power draw. Size Pack Of 1 Color White Item Weight 6.7 ounces Part Number P4456 Manufacturer P3 International Power Source ac_dc Display Style LCD Item model number P4456 Batteries Included No Batteries Required No Product Dimensions 6.2 x 2.5 x 6.6 inches Included Components Kill A Watt Flex Power Monitor P4456 Item Package Quantity 1