DGX1045 Features: * Dog charging collar and remote * Available in three compatible models * Allows you to charge your transmitter and receiver at the same time * Yellow 3mm female and two yellow 3mm male connectors. Works with the following Dogtra dog training collars: * 202NCP (Serial number less than 101961), 1802NC (Serial number less than 100101), 1803NC (Serial number less than 100101), 1804NC (Serial number less than 100126), EF-3000 Old * Black 5mm female and two black 5mm male connectors. 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, 2500T&B Series, 3500 Series, 7000 Series, 7100 Series, 2000 Series, 2000T&B Series, 2200 Series, 200NC * Black 5mm female and two yellow 3mm male connectors. Works with the following Dogtra dog training collars: * 175NCP (Serial number less than 103471), 200NCP (Serial number less than 111361), 202NCP (Serial number less than 101961)/plus 3-3 splitter, 1800NC (Serial number less than 100121), 1802NC (Serial number less than 100101)/plus 3-3 splitter, 1803NC (Serial number less than 100101)/plus a 3-3 splitter, 1804NC (Serial number less than 100126)/plus (2) 3-3 splitters