TED 5004-C (The Energy Detective) Includes Four Measuring Units for Homes with Four Breaker Panels or Wind/Solar Installations Four measuring units for homes with four breaker panels or wind/solar Features a sleek, wireless display to discover energy hogs around the house Interactive Footprints Software shows charts, graphs, and trending Package includes one Gateway, one Display and four MTU/CTs TED 5004-C is compatible with one (200 AMP or less) breaker panel