Meet the SportDOG TEK Series 1.5 GPS Tracker: a dog finder that receives and displays your dog’s location on its backlit LCD screen. You can use this GPS tracker to track your dog’s location from up to 7 miles away. The device shows the direction and status of your dog. The GPS collar and handheld receiver are waterproof.
The handheld tracker can track up to 12 collars. The collar lasts up to 24 hours. You can find out more about it here.