The Zenith TRK4000 TV Remote Control is originally supplied with TV models: Zenith 56M91D, Zenith A27B43, Zenith A27B43W, Zenith A32B43, Zenith A32B43W, Zenith A36B43, Zenith A36B43W, Zenith A36B43W8, Zenith A50M91W, Zenith A50M91W1 Zenith A56M91W Zenith A60M91W Zenith A60M98W Zenith IQA27B43W Zenith IQA32B43W Zenith IQA32M46W Zenith IQA36B43W Zenith IQA36M46W Zenith IQA56M98W Zenith IQA60M98W Zenith IQA64D90D Zenith KPPRO881X Zenith KPPRO881XR Zenith KPPRO900X Zenith KPPRO900XR Zenith PRO881X Zenith PRO881XR Zenith PRO900X Zenith RA56M91 Zenith RA56M91D Zenith RA56M91D1 Zenith RA56M91D9 Zenith RA56M91W

The Zenith TRK4000 TV Remote Control is compatible with TV models: Zenith A50M91