The Ecobee EB-STATE3LTP-02 Smart Thermostat is a programmable thermostat designed for central heating/furnace and central furnace systems. It features a 3.5in. digital display, Wi-Fi connectivity, and app control with compatibility for Apple HomeKit, Amazon Alexa, and Samsung SmartThings. The thermostat is powered by a corded electric source and has a 24V voltage. It has 3 heat stages and 1 cool stage, with 7-day programmability and 3 periods per day. The thermostat is made of plastic and comes in black. It also has weather tracking, freeze protection, and temperature sensor technology.