VIZIO Qwerty Dual Side Remote XRT500 with Backlight, Model: xrt500, Gadget & Electronics Store VIZIO 2014 version dual side Qwerty keyboard Remote Control. with back-light Compatibility: VIZIO 401ia3, 401i-a3, E401ia3, E401i-a3, M321i-A2, M401i-A3, M471i-A2, M501D,