hhauk2 years ago000Hello All is this a simple switch (on and off)? or is this a switch for a room with two switches? (Switching on with one switch and switching off with the other. and vice versa).Show in original language (German)Anonymous2 years ago • purchased this product-303purchased this productBoth. This is a scheme 3 switch. This can be used for scheme 0 (1 switching point) or scheme 3 (two switching points).Show in original language (German)Comment