12MP. H.264. Low lux. WDR. D/N box IP camera (Varifocal DC-Iris lens 4.1~9 mm). The GV-BX12201 is a dual-stream, day/night indoor IP camera containing a varifocal lens. The camera is equipped with a progressive scan CMOS image sensor. The camera features a 12 MP resolution, and the increased pixel density allows the camera to capture scenes of greater details.