TED 5004-G (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 Receive instant feedback every second to lower bills and save money View interactive Footprints Software on your computer or Smartphone Package includes one Gateway and four MTU/CTs TED 5004-G is compatible with one (200 AMP or less) breaker panel