Braeburn Model 2220 2 Heat/2 Cool Programmable Thermostat The digital programmable thermostat shall be a Braeburn, model number 2220, 3.70″ high x 5.16″ wide x 1.38″ deep, powered independently with either 24 Volt AC or with two “AA” alkaline batteries (3.0 Volt DC). The thermostat shall be compatible with multi-stage conventional or heat pump systems with up to two stages of heating and one stage of cooling.  The thermostat shall have a bright blue backlight display and separate sub-base for trouble free installation. Temperature control range shall be between 45 and 90 F (7 and 32 C), accuracy of +/- 1 F (+/- .5 C), humidity range between 5% and 95% relative humidity. The thermostat shall include non-volatile memory to retain user settings, adjustable temperature limits, ?lter check monitor, adaptive recovery mode (ARM), separate heating and cooling set point program times and temperatures, and auxiliary heat indicator. Thermostat shall have low battery indication and a front reset button will return user settings to default values when pressed. The thermostat can be mounted to a horizontal junction box. Meets California Title 24 Guidelines. FEATURES: • 5-2 Day Separate Weekday /  Weekend Programming• Large 3 Sq. In. Display with Bright Blue Backlight• Tamper-Proof Adjustable Temperature Limits• Hardwire or Battery Powered• Permanent Memory Retains Settings• Filter Check Monitor• Adjustable Temperature Differential• Adaptive Recovery Mode (ARM)• ESD Guard   Electronic Circuitry• Compressor Short Cycle Protection• Temporary Program Override• Programmable Extended Hold Mode• Front Access Reset Button• F / C Switch SPECIFICATIONS: Dimensions: 3.70″ x 5.16″ x 1.38″Electric Rating: 24 Volt AC (18-30 Volt AC)1 amp maximum load per terminal4 amp total maximum load (all terminals)AC Power: 18-30 Volt ACDC Power: 3.0 Volts DC (2 “AA&quo