This is an accessory, so only one receiver and not a complete set !!!
Maximum range approx. 150m (outdoors) anthracite Volume approx. 88 dB (A) H x W x D 96 x 70 x 35 mm 8 melodies adjustable (call distinction) Belt clip and wall mount Red LED as warning light for weak batteries Water proof IP55 Receiver batteries not included (2 x 1.5 Volt LR6 / Mignon) 256 radio frequencies self-learning with coding switch adjustable Complements existing HX radio gong sets / receivers / transmitters