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 natively support these functions. To use the XTERNA with other kits, it is necessary to use this adapter module kit. 

Assembly Instructions on Youtube

Please consult our Compatibility Guide to check if you need this adapter for XTERNA support on your clock.