MITSUBISHI-Compatible 3ACTIVE® 3D Glasses. For 740/742/840 Series 3D TVs. Rechargeable.
"3ACTIVE® 3D Glasses - Compatible with  Mitsubishi 740, 742, & 840 3D TV's Internal IR EmitterCompatible 3D TV Models740 SeriesWD-73740 (73"")WD-82740 (82"")742 SeriesWD-73743 (73")WD-82742 (82")WD-92742 (92")840 SeriesWD-73840 (73"")WD-82840 (82"")WD-92840 (92"")These 3ACTIVE glasses will function with your TV's internal IR emitter.If your television model is not listed aboveThese specific 3D glasses are only compatible with the 740/742/840 models of Mitsubishi 3D TV. Dimensional Optics sells 3D glasses that are compatible with other models of Mitsubishi 3D TV.  Please search for "Dimensional Optics Mitsubishi 3D Glasses" and make a selection from the glasses that do not have "740/742/840" in the title. The purhcase of an IR emitter is required."