Time and remote control switches are the both cornerstones of DOLDs installation electronics. They belong to the basis devices of modern building system automation and are mainly used for lighting control. Apart from classic staircase lighting time switches and remote-control switches also time switches which can be reset and cut off before time-out as well as remote control switches for central and group control belong to this wide-spread product range. This also includes the DOLD energy-saving switch combining the properties of time and remote control switch. Further installation devices such as louvre switches, load disconnecting relays or the innovative hybrid switching relay complete DOLDs installation hardware offering.