The Ecobee EB-STATE 6P-01 Smart Thermostat Premium is a black, wall-mounted or surface-mounted thermostat compatible with ecobee systems. It features a 7-day programmability, smart sensor technology, and can control heating and cooling with two heat stages and two cool stages. The thermostat is compatible with various smart home systems, including Apple HomeKit, Amazon Alexa, Google Home/Assistant, IFTTT, Logitech Harmony, and Samsung SmartThings. It has a wireless, portable design with a digital display and can be controlled through Wi-Fi, voice, app, touch, or remote control. The thermostat also has a vacation mode, built-in WiFi, Bluetooth, and battery backup features. It requires a CR1632 battery and has a voltage of 24 V.