• 4-inch 2 MP 25X Powered by DarkFighter, • 1/2.8" progressive scan CMOS, • 25x optical, 16x digital,4.8 mm to 120 mm, 25× optical, Up to 100 m, • IR Cut Filter,120 dB, Digital defog, BLC, HLC, 3D DNR, • Built-in memory card slot, support Micro SD/SDHC/SDXC, up to 256 GB, IP66, • Motion Detection, Video Tampering Detection, Exception Detection, Intrusion Detection, Line Crossing Detection, Region Entrance Detection, Region Exiting Detection, Unattended Baggage Detection, Object Removal Detection, Audio Exception Detection