Kill A Watt Wireless Sensor Plug In Electrical Power Monitoring lot of 4

PRODUCT FEATURES ******REQUIRES P4225 KILL A WATT DISPLAY****** NOT INCLUDED Lot of FOUR Kill A Watt plug in wireless sensors "Unleash the power of your Kill A Watt Wireless with this Accessory Sensor. Adding additional sensors to your network lets you monitor multiple appliances at the same time, you can use up to 8 simultaneously! Applications include; comparing the efficiency of multiple devices, monitoring power consumption in different rooms and individually measuring the components of your home theater or workshop. Using multiple sensors lets you conveniently measure and monitor from a central location, no need to plug and unplug your appliances, The Kill A Watt wireless display will show you the consumption from individual sensors as well as a cumulative measurement. Conduct your own energy audit and determine your carbon footprint, adding sensors to your Kill A Watt system increases your awareness and understanding of your impact on our planet"  Model P4220 Op. 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 Dimensions 5 3.8x 2 3/16"