Honeywell Wireless Zoning Adapter Kit YTH6320R1023 - 2H / 2C Conventional or 3H / 2C Heat PumpWireless Zoning Adapter Kit. RedLINK Enabled. Up to 3H/2C Heat Pump or Up to 2H/2C Conventional. Kit includes Wireless FocusPRO 5-1-1 Programmable Thermostat and Wireless Adapter. Product Specifications BRANDHoneywell WIDTH INCHES5-13/16 DEPTH INCHES1-1/2 HEIGHT INCHES3-9/16 TEMPERATURE CONTROL RANGE °F32 to 120 VOLTAGE30 / 24 / 20 / 18 or Battery PROGRAMMABLE5-1-1 Day STAGES2H / 2C Conv or 3H / 2C Heat Pump CHANGEOVER TYPEAutomatic / Manual APPLICATIONHeat Pump Systems DESCRIPTIONWireless Thermostat and Wireless Adapter for TrueZone Panel FOR USE WITH2H / 2C Conventional or 3H / 2C Heat Pump System INCLUDESThermostat and Adapter LIMITED WARRANTY YEARS1 MANUFACTURER'S PART NUMBERYTH6320R1023