The 3-channel radio receiver for direct connection to a 230 V mains is ideal for all surface-mounted private and industrial installations. Under optimum conditions ranges of up to 1000 m can be covered in the open space with the hand-held transmitter Order No. 60 98 04! The 3 change-over contacts can be switched over for touch, wipe and switch operation. Separate learning of transmitter code and -button for each relay allows assigning key combinations as well (e.g. alarm systems, etc.)! In combination with transmitter encoding via DIP switches, any number of transmitters can tele-control one and/or several receivers.nsmitters can tele-control one and/or several receivers.