The compact, handheld transceiver delivers GPS tracking capabilities, including multiple waypoint creation, with no external antennas required. Track up to 12 dogs’ locations out to seven miles on the backlit LCD screen showing a 75-mile radius with autoscaling. Not only does the unit show where your dogs are, it also reports whether or not they are moving and the direction of the movement. Can easily be converted into a tracking and training system with the TEK Training Module (sold separately). Using the TEK’s versatile training functions, you’ll be able to instantly select stimulation, vibration or tone commands and choose between up to 100 levels of stimulation. Collar/receivers come as separate, compact modules that fit together on a single collar strap. DryTek® design ensures all components are waterproof and submersible to 25 feet. Integral, tilt-compensated compass. Minimum of 20 hours of usage on a single charge.