Optoma GB-200+ Manufacturer Code: N/A Optoma GB-200+ Dual channel edge blending processor, up to WUXGA resolution, 2x HDMI in, 2x DVI-I in, 2x HDMI out, 2x VGA out, RJ45, RS-232, Image stacking, Geometry correction, Curved wall correction, Black level correction, Color correction, up to? 17 x 17 warp adjustment grid, includes Auto Warp software for Auto blending and stacking on flat and curved screens. 1-Year Parts and Labor.