E-Collars.com. Save money on the Tri-tronics G3 and G2 EXP+ Extra-Collar/Receiver
For use with any G2 EXP or G3 Tri-Tronics system to expand your one dog system into a multidog unit. The EXP collar can also be used as a replacement collar for any G2, G2 EXP or G3 collar receiver.
The EXP receiver comes with a set of short contact points, a set of long contact points, a contact point wrench and instructions for matching it up to your transmitter.