The Tritronics G3 PRO CONTROL receiver features several attention
getting sounds, state of the art digital technology, self test feature
to confirm correct hook-up, the ability to set a new receiver to the
transmitter with the push of a button. Re-chargeable battery. (Charger
Included)
Each G3 Pro Control Receiver will operate two training devices and you can add up to 10 additional receivers per transmitter for a total of up to 20 devices per transmitter.