4K AcuSense Fixed Turret Network Camera. 1/2" Progressive Scan CMOS. 3840 x 2160 @ 20fps. 2.8 mm fixed lens. 120dB WDR. Powered by Darkfighter. H.265+, H.265, H.264+, H.264. Built-in micro SD/SDHC/SDXC card slot, up to 256 GB. IP66. Human and vehicle classification alarm based on deep learning.