• Four 2MP 1/2.8" CMOS image sensor, low illuminance, high image definition • Outputs max. 8MP (4096 × 1800) @30 fps • Built-in IR LED, max. IR distance: 30 m • ROI, SMART H.264+/H.265+, flexible coding, applicable to various bandwidth and storage environments • Intelligent functions: Crowd distribution map, Vehicle Density • Abnormality detection: Motion detection, video tampering, scene changing, audio detection, no SD card, SD card full, SD card error, network disconnection, IP conflict, illegal access, and voltage detection • Alarm: 2 in, 2 out; audio: 1 in, 1 out; 485; BNC; supports max. 256 G SD card • 12V DC/24V AC/PoE power supply; easy for installation • Supports object tracking • IP67,IK10 protection