Buy 200 get 20 free · 4MP, 1/3” CMOS image sensor, low illuminance, high image definition · Outputs 4MP (2560 × 1440)@25/30fps, Max. supports 4MP (2688 × 1520)@20 fps · H.256 coding, high compression ration, low bit rate · Built-in IR LED, max IR distance: 30 m · ROI, SMART H.264/H.265, flexible coding, applicable to various bandwidth and storage environments · Rotation mode, WDR, 3D DNR, HLC, BLC, digital watermarking, applicable to various monitoring scenes · Intelligent detection: Intrusion, tripwire · Abnormality detection: Motion detection, video tempering, no SD card, SD card full, SD card error, network disconnected, IP conflict, illegal access, voltage detection · 256 G SD card · 12V DC/POE power support · IP67 protection grade