SportDog SportsDOG Brand SD-Beep Add-A-Beeper - $129.99

The easy way to add another beeper to your SportDog system. The SD-Beep's DryTek waterproof design technology eliminates worries about use in wet conditions. Realhawk beeper sound keeps birds tight to cover. Select from nine tones and three run modes (silent, 5- or 10-second beep). You can extend tone range out to one mile. The beeper charges in two hours. When paired with the UplandHunter 1875 system, it provides an instant locate feature with the touch of the transmitter button. It is also compatible with the SportHunter 1825 SD1825, WetlandHunter 1825CAMO and ProHunter 2525 systems. - $129.99