The White-Rodgers 1F78-144 Emerson Single Stage Thermostat is a reliable and efficient home improvement product manufactured in 2020. This thermostat has a 2-wire wire configuration and operates on AAA batteries. It features a push button and digital control style with a 1.5-inch display size. This thermostat is compatible with universal and packaged/rooftop air conditioners, and it is made of durable plastic and polycarbonate materials. With its low voltage protection and childproof resistance properties, this thermostat offers convenient and safe control of your HVAC system.