30X Zoom IR WDR PTZ IP Cameras, 4.5–135 mm, F1.6-F4.4, 30x optical zoom lens, 1/3" progressive scan image sensor, 2688 x 1520 resolution, Up to 50/60 fps primary stream. Up to 25/30 fps secondary streams, Up to triple stream support, Ultra-low light performance, 328 ft. (100 m) IR distance, depending on scene reflectance, True WDR: 120 dB, Excellent low light performance with down to 0.05 lux (color) an 0 lux BW (with IRs on), Multiple, selectable compression formats (H.265/H.264/ MJPEG)