The Meross Smart Wi-Fi Thermostat MTS200 is a programmable 7-day thermostat that is compatible with universal brands and models. Made of white plastic, this wall-mounted thermostat features smart home compatibility with Apple HomeKit, Google Home/Assistant, and Amazon Alexa. It has a 3.5-inch display, 3 cool stages, and can be controlled via the meross app. With a low voltage of 24V and Bluetooth/Bluetooth Low Energy connectivity, this smart thermostat offers convenient and energy-efficient heating and cooling control for your home.