https://smile.amazon.com/ecobee-SmartThermostat-Voice-Control-Black/dp/B07NQT85FC/ref=mp_s_a_1_3?dchild=1&keywords=ecobee+smart+thermostat&qid=1595431932&sprefix=ecobee&sr=8-3
This is the 5th gen which they just call “Ecobee smart thermostat”