Radio transmitter/receiver set with relay output. Universally applicable. Can replace existing radio control or be used for expansion. 433.92 MHz. Hand-held transmitter already programmed into the receiver, up to max. 20 hand-held transmitters PTX001 can be programmed at the touch of a button. Hand-held transmitter including 12V battery type MN21. Receiver: Power supply 10-16V DC, current consumption 7mA (operation), 6mA (rest). Normally open contact (NO, 16V DC / max. 1A) adjustable as a 2-second pulse or as a toggle switch on/off. Activation is indicated by LED. Radio range max. 60m (outdoors). Dimensions: 36 x 58 x 13mm (hand-held transmitter), 60 x 65 x 25mm (receiver). Connection wires approx. 30cm long for +/- DC and relay output. Wire antenna approx. 45cm long. 2 mounting screws for the receiver are included.