Track your dogs position in almost any terrain with the Garmin Alpha 100/TT 15 Bundle. Top-mounted, high-sensitivity GPS antenna improves performance via an integrated GLONASS positioning system that maintains location even in heavy tree cover or deep canyons. One-year subscription to BirdsEye Satelite Imagery features enhanced image qualities and significantly better download performance. 18 levels of continuous and momentary stimulation, vibration or tone alerts are ideal for training. Tracks up to nine miles away, sending precise locations every two-and-a-half seconds. Compatible with other devices to track up to 20 dogs. Preloaded TOPO U.S. 100K maps along with a 3 color touch-screen display give you an edge. Electronic compass and barometric altimeter measures each dogs speed, distance and direction being traveled, as well as sends notifications when your dog is moving or on point. BaseCamp allows you to view real-time GPS information on your computer. LED beacon lights for low-light use are visible from up to 100 yards away. VIRB control can record video manually from the handheld device or automatically when the collar triggers an event. Rescue mode changes the update rate to every two minutes once power levels drop below 25%, extending battery life and giving you 12 hours to find a lost dog. Emergency Alert lets you send your location to other Alpha users within the area. Two lengths of removable, stainless steel insulated contact points provide reliable performance in wet conditions. Handheld has a waterproof rating of IPX7, while the collar is rated at 1ATM. Included rechargeable lithium-ion batteries power collar for up to 28 hours. Bundle includes: Alpha 100 handheld with rechargeable Li-ion battery, TT15 dog device with rechargeable Li-ion battery, replaceable 1 collar strap, belt clip, 5 standard and 13 extended-range antenna (for Alpha), 18-1/2 sta Type: Tracking Systems.