Suggested text for specifications:

Receiver for call device, radio-controlled, compatible with 868.4 MHz-systems, mains-operated with teach-in function. 5m long, 42V/0.5A loadable, potential-free relay output. Delivery includes 6V wall plug transformer. 

Dimensions call receiver: 86 x 47 x 16 mm
Dimensions wall plug transformer: 35 x 65 x 64 mm

Article No. BA025