Garrison Digital Thermostat, 2 Heat-1 Cool Non-programmable

Non-Programmable 2-Stage Heat / 1-Stage Cool thermostat with large LCD display screen. The thermostats are designed to operate with most gas, oil, electric boiler or 2-wire systems and air conditioning systems that have 24-volt or millivolt control. | Features: | 2-Stage Heat / 1-Stage Cool | 24 Volt with battery backup. | 1-AA Battery (included). | Backlight | F/C temperature selectable indicator. | Static Protection | High/Low Temperature protection. | Energy usage counter. | Compressor short cycle protection. | 1st. Stage temperature differential rating | 2nd. Stage temperature differential rating | Separate O&B terminals. | Quick-connect wiring terminal | Gas, Oil and Electric systems. | Heat Pump systems. | Millivolt system. | Keypad lockout.