Radio set consisting of: , RDH100RF: Electronic room thermostat with radio transmitter, control function like RDH100. , Technical data: , - Transmission frequency: 433 MHz , - Dimensions (W x H x D): 90 x 120 x 26.9 mm , - Table stand for transmitter , - 2 x alkaline batteries type AA, 1.5 V included , RCR100/433: radio receiver with operating indicator (433 MHz) , - Switching unit with relay outputs , - Receiver override button for manual switching on/off , - Mounting adapter plate for receiver