For more flexibility on the hunt, the compact Alpha 10 handheld with at-a-glance multi-GNSS tracking and training can be used on its own, connected to your compatible smartphone or connected to another Garmin dog tracking device. Pair it with the T 5 and TT 15 dog devices to track up to 20 dogs with additional dog devices sold separately up to 9 miles with up to a 2.5-second update rate. Multiday trips are hassle-free with up to a full week of battery life. You can even issue customized corrections for each dog - right from the handheld. Use the Garmin DriveTrack GPS navigator to view your dog's location while in a vehicle, or sync with select Garmin wearables to track from your wrist. After the hunt, view dog tracking data, hunt replay and more with the Garmin Explore smart device app. Features: Compact design with at-a-glance multi-GNSS tracking and configurable training Pair with the T 5 and TT 15 dog devices to track up to 20 dogs1 up to 9 miles with up to a 2.5-second update rate Customize training for each dog with 18 levels of continuous and momentary stimulation plus tone and vibe Connect to a Garmin DriveTrack GPS navigator to view your dog's location from a vehicle Compatible with select Garmin wearables for quick tracking updates at the wrist Up to a full week's worth of battery life2 (40 hours of use) keeps you going on a multiday trip Follow the action by using Alpha 10 to track compatible Garmin dog devices and handhelds Sync with the Garmin Explore app to view dog tracking data, hunt replay and more on compatible smartphones and tablets 1Additional dog devices required; sold separately 2Battery life may vary depending on usage