Compatible with electric baseboard heaters, convectors, fan-forced convectors, andradiant ceiling heating. Maximum 4000 watts / 240V V. Universal installation. Compatible with 2 or 4 wire connections. Works with Apple HomeKit, Amazon Alexa, Google Home, and Neviweb. *Wi-Firequired* Features may vary from a platform to another. Greater comfort. Discover unequaled temperature accuracy thanks to the triacswitching. Exceptional smart home experience. Connect your thermostat with Wi-Fi to use theNeviweb app and get the best experience with this product. Features available inNeviweb: Scenes (activate personalized ambiances); Schedules (up to 8 periods perday); Geofencing (trigger actions based on your presence); Energy reports (see yourconsumption and savings in real-time). Many additional tailored features areavailable in Neviweb, the app designed by Sinopé Technologies. Not compatible with HVAC system and heating fl oors.