Honeywell TH6220WF2006/U Lyric T6 Pro Wi-Fi Programmable Thermostat with Stages Up to 2 Heat/1 Cool Heat Pump or 2 Heat/2 Cool Conventional

4-1/16 in. Long x 4-1/16 in. Wide x 1-3/32 in. Deep, 20 to 30 vac, 37 f to 102 f, 4-1/16 in. Long x 4-1/16 in. Wide x 1-3/32 in. Deep, 20 to 30 vac, 37 f to 102 f, Model Number : TH6220WF2006/U