Venstar T3800 Residential Voyager WiFi Ready Thermostat – Works W/Alexa When WiFi Module Installed

The Venstar T3800 is a residential digital thermostat with up to 4 Heat and 2 Cool stages. With simple as you want operation, it is switchable between programmable or non-programmable with 7-day, 5+2 day, or 1-day programming.