Works with the following Dogtra Dog Training Collars: 175NCP (Serial Number greater than 103471), 200NCP (Serial Number greater than 111361), 202NCP (Serial Number greater than 101961), 1800NC (Serial Number greater than 100121), 1802NC (Serial Number greater than 100101), 1803NC (Serial Number greater than 100101), 1804NC (Serial Number greater than 100126), 300 Series, 1000 Series, 1100NC, 1200 Series, 1500 Series, 1600 Series, 1700 Series, 1900 Series, 2300 Series, 2500TandB Series, 3500 Series, 7000 Series, 7100 Series, 2000 Series, 2000TandB Series, 2200 Series, 200NC.
- Black 5mm female and two black 5mm male connectors.