The Honeywell T4 Pro Programmable Thermostat - TH4110U2005/U is a white, square-shaped thermostat that offers 7-day programmability. It runs on 4 AA batteries with a low voltage power source and features a digital display with touch control. The thermostat is compatible with various smart home systems including Apple HomeKit and Amazon Alexa, and has sensor technology for temperature, occupancy, and ambient light. It has a 4-wire wire configuration and offers anti-island protection, making it a reliable choice for maintaining optimal indoor temperatures. This is a good used thermostat. The screen has a few light scratches but no cracks. Tested and fully functional.
eBay