COMPASS HANDHELD GPS CONNECTORThe COMPASS Handheld GPS Connector puts live GPS tracking and full e collar control in one tough, waterproof unit. The built in compass gives real time direction, distance, speed, and motionkeeping you connected to your dogs even when the cover closes in. Track up to 21 dogs, with four shown on the screen at once. Customize your training setup two ways: assign each button to a different functionnick, constant, tone, vibration, or lightfor one dog, or