The ecobee3 EB-STATe3VP-02 Smart Wi-Fi Thermostat is a 2020 model with a wireless wire configuration and built-in WiFi features. It is compatible with Apple HomeKit, Amazon Alexa, and Samsung SmartThings for smart home integration. This thermostat offers programmable days with 3 heat stages and 1 cool stage, along with freeze protection and a 3-year manufacturer warranty. The sleek black design with a curved shape and wall-mounted installation make it a modern addition to any home heating and cooling system. Its advanced technology and connectivity options make it an efficient and convenient choice for home temperature control.