Anthracite 1000W thermostatic WiFi enabled heating element for hard-wired installation Controllable on a smart device using the downloadable ECOSO app - Google Home and Amazon Alexa compatible Programmable settings including schedule, eco, comfort and boost modes plus dryer and anti-freeze functions Can be installed on either side of a horizontal radiator only Please note: You should choose a heating element with an output not greater than the Delta 50 value of your heating appliance for safe operation, Weight: 0.551155655 pounds, Manufacturer: ECOSO