Our XTERNA WIreless time and temperature transmitter allows display of ourdoor temperature  and GPS time sync, on XTERNA enabled clocks. Our ELITE Class Nixie Clock Kits and current Maestro Kits natively support these functions. To use the XTERNA with other kits, it is necessary to use this adapter module kit. 

Assembly Instructions on Youtube

You will need this adapter for QTC+ and Spectrum Kits to enable all the time and temperature functions on your clock from the XTERNA module.