New Vizio Qwerty dual side keyboard internet smart tv remote---for VIZIO E420i-A1 E500i-A1 E601i-A3 E470i-A0 M420KD E701i-A3 E420i-A0 E500i-A0 ----30 days warranty! Vizio New internet App TV remote, with Keyboard and Qwerty remote xrt302 for vizio tv. Do not need any program, only put into new battery can work well. ome knowing TV models support as below:M420SL M470SL M550SL E472VL /E472VLE/E552VLE E460ME M420SR M420SV M470SV M550SV E3D320VX E3D420VX E3DB420VX E3D470VX M320SR M3D421SR M3D550SR M3D460SR M3D420SR XVT3D474SV E3D420VX XVT3D650SV M420SV M470SV M550SV M420SL M470SL M550SL;; M420SV M470SV M550SV M370SR M420SR M420KD E551VA M470VSE - M650VSE - M550VSE E420i-A1 E500i-A1 E601i-A3 E601i-A3 E420i-A1 E500i-A1 E601i-A3 E470i-A0 M420SV M470SV M550SV M420SL M470SL M550SL M370SR M420SR M420KD E551VA E601i-A3 M470VSE M650VSE M550VSE E420i-A1 E500i-A1 E601i-A3 E470i-A0 E420i-A1 E500i-A1 E601i-A3 E470i-A0 M420KD E701i-A3 E420i-A0 E500i-A0 Note: If you have any query about the remote please feel freely to let us know, we will solve for you, thanks a lot!