The TEK Series 1.0 E-Collar module allows you to add training functionality to your existing TEK Series 1.0 GPS Tracking system. This module easily connects to your GPS Tracking Collar to allow you to track and train your dog up to 7 miles! Correction capabilities include continuous, momentary and rising stimulation, vibration and tone. The E-Collar Module features SportDOG Brand's DRYTEK design, so it is waterproof and submersible to 25 feet. This module is only compatible with TEK Series 1.0 systems.