The Mysa Smart Thermostat for Electric In-Floor Heating is the ultimate smart thermostat designed for high voltage in-floor heating to help you save money by using energy more efficiently. Take full control of your heating from anywhere using the Mysa app on your smartphone or tablet and stay conveniently connected with smart home integrations like Alexa, Google Assistant, and Apple HomeKit. Mysa’s sleek, minimalist design and premium look subtly enhances your home’s style. This Mysa Smart Thermostats installs easily in 20 minutes or less with its step-by-step online guide and video. This thermostat is not compatible with water-based in-floor heating systems or low voltage systems such as 12-volt/24-volt oil furnaces, natural gas furnaces, or boilers. Includes Class A GFCI and standard 10 kohm floor sensor. Rated for controlling electric heating systems up to 3,800 watts max at 240 volts/1,900 watts max at 120 volts; 16 amps max. Integrates with all smart home assistants—Amazon Alexa, Google Assistant, and Apple HomeKit. App-controlled thermostat works with home's Wi-Fi to easily set schedules, group multiple thermostats into zones, set up vacation and geolocation modes, generate energy reports, and more; shared account access enables multiple users. Installs in 20 minutes or less and comes with helpful, easy-to-follow illustrated guides and step-by-step installation videos. Not compatible with water-based in-floor heating systems or low voltage systems such as 12-volt/24-volt oil furnaces, natural gas furnaces, or boilers. Compatible with most high-voltage electric in-floor heaters; can replace current thermostat of an electric floor heating system with a floor temperature sensor; for new systems, comes with its own in-floor sensor. LED display with capacitive touch buttons; haptic feedback; shows and controls the floor temperature. Fits standard 1-gang box. 2-year limited warranty