Room thermostat radio frequency set (transmitter and receiver)

Radio frequency controller set consisting of:
RDH100RF: Electronic room thermostat with radio frequency transmitter, same controller functionality as RDH100.
Technical data:
Transmission frequency: 433 MHzDimensions (W x H x D): 90 x 120 x 26.9 mmTransmitter table stand2 x 1.5 V AA alkaline batteries included

RCR100/433: Radio frequency receiver with operating mode indication (433 MHz), 
Switching unit with relay outputsReceiver override button for manual switch-on/switch-offMounting adapter plate for receiver