VIVOTEK 3D Stereo Counting Network Camera (VIVOTEK SC8131) - CPU: Multimedia SoC (System-on-Chip), Operating System: Microsoft Windows 8/7 Mac 10.12 (Chrome only), RAM: 512MB, Flash: 256MB, Storage Slot type: MicroSD/SDHC/SDXC card slot, Image Sensor: 1/3" Progressive CMOS, Video Compression: H.264, MJPEG, Maximum Streams: 3 Simultaneous Streams, Connectivity: 1 x RJ-45 for Network/PoE connection, 1 x DI/DO, 1 x USB 2.0, 1 x MicroSD Slot