Garmin Alpha TT 25 - Build Your Own

The Garmin Alpha TT 25 is the current-generation GPS tracking and training collar in Garmin's Alpha system — real-time dog location from up to 9 miles when paired with a compatible Alpha handheld, plus 18 levels of stimulation, tone, and vibration for e-collar training from the same device. Thinner and lighter than the TT 15X it replaces. Wi-Fi automatic software updates when charging. Dynamic Tracking adjusts GPS update frequency based on dog activity to extend battery life. Remote LED beacon lights, multi-dog support for up to 20 dogs. Compatible with all current Alpha handhelds including the Alpha 10, 200, and 200i.