Fan heater ceramic heater series stadler form anna max heat output 1 200 watt heat settings 2 heating power 700 1200 watt operating voltage 230 v room size 17 m installation free standing unit functions fan function frost protection safety features auto shut off tip over safety cut out safety guard protection class ip x0 colours white black dimensions 146 x 95 x 237 cm weight 15 kg slim lightweight ptc modern design