The Dogtra Extra Receiver features two sound modes authentic mallard duck-call attention getter or a beep-locater sound. The receiver can operate two launchers with the use of a 15 foot jumper cord. The Dogtra extra receivers are water resistant and are programmable, so you can start with a smaller system and later add launchers without having them specially built to match your system.
The Launcher Receiver External Speaker allows you to increase the audible range of the sounds on your receiver.
Compatible with the SportDOG Brand® Launcher System and Dogtra Launcher Receivers.