The AirRepeater will capture the signal of your AirProbe, AirProbe2 and/or AirProbe3 to repeat the signal and extend the range. It also works as a charger. 
 
How it works:
The AirRepeater connects to only one of your AirProbes and will extend the range of that probe by repeating its signal. 
 
What's included?
The AirRepeater