Vivotek IP8173H 3MP Compact Size WDR Pro Mini-Box Network Camera 3-Megapixel CMOS Sensor, 20 fps @ 2048x1536; 30 fps @ 1920x1080 Vari-focal (f = 2.8 ~ 8 mm), P-iris Lens, Real-time H.264, MPEG-4 and MJPEG Compression (Triple Codec) WDR Pro for Unparalleled Visibility in High Contrast Environments Two-way Audio, Removable IR-cut Filter for Day and Night Function Built-in IEEE 802.3af Compliant PoE, Built-in MicroSD/SDHC/SDXC Card Slot for On-board Storage, Compact Design