Features a vivid sunlight-readable 3.5” capacitive touchscreen display and a button-operated, dog-focused design for quick, minor adjustments Easily set up and monitor up to 20 dogs with your compatible dog collars from up to 9 miles away (depending on your dog collar) with up to a 2.5-second update rate Dog list and group management let you keep non-paired dog information in the handheld for easier setup Includes preloaded TopoActive maps, downloadable satellite imagery, and a built-in 3-axis compass and barometric altimeter With an Outdoor Maps+ subscription, you have access to a wide variety of premium mapping content that is regularly updated and wirelessly delivered directly to your Alpha 300 handheld when connected to a wireless network User-replaceable battery lasts up to 55 hours Triggers 18 levels of stim, tone or vibration when paired with your training-enabled collar Backward compatible with select existing collars and other Alpha handheld-compatible devices; transfer location data between compatible Garmin devices Hunt metrics data shows each dog’s daily hunting patterns and behaviors per hunt, so you can take measures to course correct to help keep them healthy and safe Compatible with the Garmin Explore website and smartphone app to help you manage tracks, routes and waypoints plus review statistics from the field and back up your device settings