Sensi Smart Thermostat, ST55

Specifications Product Dimensions- 5.88 in. L X 3.75 in. H X 1 in. D Wi-Fi Connected -Yes System Type- Universal - Single-Stage, Multi-Stage or Heat Pump Stages-Single 1H/1C, Multi-Stage 2H/2C, Heat Pump 4H/2C Program Style- 7 Day Programmable, Geofencing or Non-Programmable Max Program Periods Per Day- 8 Voltage- 24 Vac Power Source - Hardwire, Battery, Power Sharing Performance Features- Humidity Control, AC Protection, Smart Alerts, Circulating Fan, Dual Fuel Logic Option, Auto Changeover (Heat/Cool) Security Features- Total Keypad Lockout, Setpoint Temperature Limits Service Reminders- HVAC Maintenance, Air Filter, UV Bulb, Humidifier Pad, Other Display Size- 5 square in. Warranty- 3 Years Terminal Load Rating- 1.5A per terminal, 2.5A maximum all terminals combined Heat Differential (Conventional or Aux/Gas/Oil/Elec)- Fast 0.5°F, Med. 0.75°F, Slow 1.9°F Cool Differential (Central Air or Heat Pump)- Fast 0.9°F, Med. 1.2°F, Slow 1.7°F