This is a replacement battery for the popular Dogtra dog collar receivers and transmitters.

Compatible with the following Dogtra receivers and transmitters: 1100NC, 1200NC, 1200NCP, 1202NC, 1202NCP, 1400NCP, 1500NCP, 1600NCP, 1700NCP, 175NCP, 1800NC, 2000 Training & Beeper, 2000NC, 2000NCP, 2002 T&B Training & Beeper, 2002NC, 2002NCP, 200NCP, 202NCP, 210NCP, 2200NCP, 2200NCP, BP-12, Pheasant Launcher PL Series, Quail Launcher QL Series. Also replaces the GP 40AAAM4SMX