The Honeywell TH4110U2005 ProSeries Programmable Digital Thermostat is a white, square-shaped thermostat made of plastic. It is powered by AA batteries and can be wall-mounted using the included mounting plate and hardware. This thermostat features temperature sensor technology and has a programmable control style with push button and digital options. It is compatible with Apple HomeKit and Amazon Alexa for smart home integration, and includes a low battery indicator for convenience. The model was manufactured in 2005 and offers reliable heating and cooling control for any home.