P4200 Kill A Watt Wireless

P4200 Kill A Watt Wireless is an energy monitoring system that requires no installation and has wireless range up to 300 feet. Its display can be used with up to eight wireless sensors and can calculate energy costs by day, week, month or year. The system's built-in software allows homeowners to combine kilowatt-hour data with the type of electricity generated in their area (coal, hydro, nuclear) for a more precise reading.