* The parameters and datasheets below can only be applied to A51-S2 series* In order to use the 5MP 16:9 HDCVI camera, the firmware of XVR must be upgraded to V4.001.0000001.0.R.200908 or later version. • Max. 25 fps@5MP (16:9 video output) • CVI/CVBS/AHD/TVI switchable • 3.6 mm fixed lens (2.8 mm optional) • Max. IR length 20 m, Smart IR • IP67, DC12V