Braeburn Model 5310 1 Heat/1 Cool Touchscreen Programmable Thermostat The universal auto changeover thermostat shall be a Braeburn model number 5310, 3.94″ high x 5.56″ wide x 1.19″ deep, powered with either 24 Volt AC or with two “AA” Alkaline batteries (3.0 volt DC). In the event of a power failure, the unit shall retain clock settings and universal 7 or 5-2 day or non-programmable settings. The thermostat  shall be compatible with low voltage single stage gas, oil, or electric heating or cooling systems, and single stage heat pump systems. Also compatible with 250mv – 750mv millivolt heating only systems. The thermostat shall have a bright blue backlight display, touchscreen with SpeedBar, separate sub-base and multi-level keypad lockout. Temperature control range shall be between 45 and 90 F (7 and 32 C), accuracy of +/- 1 F (+/- .5 C) and operating humidity range between 5% and 95% relative humidity. The thermostat shall include separate installer and user setup modes, permanent non-volatile memory to retain user settings, ?lter, UV and humidi?er pad check monitor, adaptive recovery mode (ARM), programmable independent fan control, residual cooling fan delay and indoor or outdoor remote sensor capability. A front reset button will return user settings to default values when pressed. This thermostat shall meet California Title 24 Guidelines.FEATURES: • 7 Day, 5-2 Day or Non-Programmable• Large 6.5 square inch easy-read touchscreen • Auto or Manual Changeover• Bright Blue Backlit Display• Exclusive Speedbar Technology• Adjustable Temperature Limits• Indoor or Outdoor Sensing • Speedset Programming Mode• User Selectable Service Monitors • Separate User and Installer Reset Buttons • Hardwire OR Battery Power• Multi-Level Keypad Lockout• Circulating Fan Mode• Residential an