Garmin Alpha 200i Dog Tracking Handheld Utilizes inReach Technology Sunlig

Features 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 from up to 9 miles away with a 2.5-second update rate by using multiple global navigation satellite systems (GPS and Galileo)
Dog list and group management lets you keep inactive dogs in the system for easier setup
Interactive SOS alerts and two-way messaging via the 100% global Iridium satellite network (active satellite subscription required. jurisdiction restrictions may apply)
Preloaded TopoActive maps, direct-to-device BirdsEye Satellite Imagery downloads and built-in three-axis compass and barometric altimeter
User-replaceable battery lasts up to 20 hours. up to 15 hours with inReach technology enabled
18 levels of correction, including vibration and adjustable tones
Backward compatible so you can keep your existing collars and other Alpha 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 keep them healthy and safe
Compatible with Garmin Explore website and app to help you manage tracks, routes and waypoints and review statistics from the field