Kill A Watt Wireless (P4200) Now, you can monitor your power consumption remotely. Simply plug in the wireless sensor along with the item(s) you wish to check and it will transmit data to the central LCD display where you can see your cumulative electrical expenses and your carbon footprint. Carbon footprint can be defined .. .. .. . . . more

Kill A Watt Wireless Sensor(P4220) Now you can 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 eight sensors simultaneously! Applications include; comparing the efficiency of mul.. .. .. . . . more