Open window sensor Low surface temperature setting Anti frost, ECO & comfort modes 10 Year warranty Our smalles fluid radiator is perfect for small hallways, rooms or cloakroom are very popular choice. This is the heater you are looking for in any room up to 8m2 in size. Be sure about your choice of heater and contact us today for a free heating design. Wi-Fi options are compatible with ALEXA & Google home samrt-home systems and run off of the iHeat App, FREE on iTunes and Google Play