Dome, 4 MP 30 MTR, High quality imaging with 4 MP resolution 24/7 colorful imaging Support Human and Vehicle Detection Water and dust resistant (IP67) Clear imaging even with strong back lighting due to 120 dB WDR Efficient H.265+ compression technology -F model supports on-board storage up to 512 GB (SD card slot) -U model supports built-in microphone for real-time audio security