Braeburn Model 5400 Digital Programmable Thermostat with Humidification Control Universal Auto Changeover Up to 3 Heat / 2 Cool, with Humidification Control / Programmable or Non-Programmable FEATURES: 7 Day, 5-2 Day Programming or Non-Programmable Dual PoweredHardwired or Battery Two Outside Air ModesEconomizer and Time of Day Programmable Humidification and Dehumidification with Fan Speed Control Large Display with Bright Blue Backlight Simple Menu-Driven Programming Separate Installer and User Setup Modes Residential or Commercial Program Modes Programmable Independent Fan Control with Recirculation Feature Multi-Level Keypad Lockout Non-Volatile Memory to Maintain User Settings Remote Indoor / Outdoor Sensor Compatible Residual Cooling Fan Delay Filter, UV and Humidifier Pad Check Monitor Adaptive Recovery Mode (ARM) Auxiliary Heat Fossil Fuel Programming Option 1st, 2nd and 3rd Stage Adjustable Temperature Differential ESD Guard Electronic Circuitry Compressor Short Cycle Protection Compressor Power Outage Protection Separate Heating and Cooling Program Set Point Times and Temperatures Temporary Program Override up to 4 Hours or Until Next Set Point Programmable Extended Hold Mode Programmable AC Monitoring Installer Clear Button and Front Access Reset Button Heat Pump Fault Detection Gas or Electric Fan Control Easy Access Front Battery Door Meets ENERGY STAR® and California Title 24 Guidelines SPECIFICATIONS: Dimensions: 4.63 x 5.00 x 1.20 Electric Rating: 24 Volt AC (18-30 Volt AC) 1 amp maximum load per terminal 6 amp total maximum load (all terminals) AC Power: 18-30 Volt AC DC Power: 3.0 Volts DC (2 AA Alkaline batteries included) Compatibility: Single stage or Multi-stage heat / cool systems including heat pumps with up to three stages of heating and two stages of cooling 250mv 750mv millivolt heating systems Control Range: 45° to 90° F (7° to 32° C) Display Range: 40° to 99° F (5° to 37° C) Accuracy: +/- 1° F (+/- .5° C) Temperature Differential: 1st Stage - .5°, 1°, or 2° F (.25°, .5°, or 1° C) 2nd and 3rd Stage - 1°, 2°, 3°, 4°, 5°, or 6° F (.5°, 1°, 1.5°, 2°, 2.5°, or 3° C) Storage Temperature: 14° to 140° F (-10° to 60° C) Operating Humidity: 5% to 95% Relative Humidity Terminations: A/D, H, G, Rc, Rh, W2, B, O, Y1, Y2, W1/E/W3, C, L, S1, S2