Dahua IP WizSense Bullet 4MP IR 50m 2.8mm Audio + Alarm IO + Mic • 4MP, 1/3” CMOS image sensor, • H.265 codec, high compression rate, low bit rate • Built-in IR LED, max. IR distance: 50 m • Rotation mode, WDR, 3D DNR, HLC, BLC, • Intelligent detection: Intrusion, Tripwire • Supports max. 256 GB Micro SD card, built-in Mic • 12V DC/POE power support • IP67 protection • SMD