Honeywell TH6320R1004 Programmable Wireless Thermostat Thermostat Only - requires THM5320R1000 Equipment Interface Module, or HZ432 or HZ322 TrueZONET panel; THM4000R1000 Wireless Adapter for zoned operation. Features: . Powered by RedLINKT reliability . No interference with other wireless devices in the home . Choose from programmable or non-programmable kits Kit Includes: Wireless FocusPRO® Thermostat . Same great features of the FocusPRO® thermostat - now wireless . Installs in minutes . Displays outdoor temperature and humidity (outdoor sensor sold separately) . 1 year battery life . 2 month low battery warning Equipment Interface Module (EIM) . All HVAC equipment is wired to the module . Module receives communication from all wireless devices Return Air Sensor . Works with the EIM to maintain safe indoor temperatures if power is lost at the wireless thermostat SPECIFICATIONS: Application: Gas, oil, electric, heat pump, forced warm air, hot water, steam or gravity Changeover: Auto/Manual Selectable Stages: Up to 3 Heat / 2 Cool Heat Pump or Up to 2 Heat / 2 Cool Conventional Power Method: Thermostat--Battery Terminal Designations: C, R, Rc, Rh, W-O/B, W2-Aux/E, Y, Y2, G, L, RAS Switch Positions (Fan): AUTO-ON Switch Positions (System): HEAT-OFF-COOL-AUTO-EM.HEAT Electrical Ratings: Equipment Interface Module--18 to 30 Vac, 50 Hz; 60 Hz Cool Current: 1.0 A running Heat Current: 1.0 A running Fan Current: 0.6 A running