This listing is for a replacement programmable thermostat produced by Honeywell/Resideo under the TotalHome brand (as per pictures 2 and 3), which replaces all existing Honeywell CM901/CM907 Series Wired Thermostats. The programmable thermostat is made in the UK by Resideo (who are part of Honeywell) The wiring connections are the same as the old obsolete honeywell CM901 and CM907 models for an easy no fuss swap.
eBay