P3 International P4200 Kill-A-Watt Wireless Display Type: Miscellaneous Features: 300 foot wireless range Can be used with up to 8 sensors Calculates carbon emissions & costs by day, week, month and year Allows you to calculate the carbon footprint of your appliances Displays eight critical units of measurement Specifications: Operating Voltage: 115 VAC Max Voltage: 125 VAC Max Current: 15 A Max Power: 1875 VA Transmission frequency: 916.5 MHz Free field range: max. 300 ft. Batteries: 3 x AA (Not included) Dimensions: - Display: 5 x 4 x 1 1/4 (HxWxD) - Sensor: 5.38 x 2.19 (HxW) Weight: 13 oz. Labor: 180 days limited Parts: 180 days limited Brand: P3 International