The Honeywell Home RTH111B Non-Programmable Digital Thermostat is a white, wall-mounted unit designed for controlling a central air conditioner. Manufactured in 2019, it operates on 24V power from AAA batteries with a 5-wire configuration. This thermostat features a digital display, low battery indicator, and temperature sensor technology. With a sleek rectangular shape and weighing 0.5 lb, it is portable and easy to use. Compatible with all brands, the Honeywell RTH111B is a simple yet effective option for regulating the temperature in your home.