> 4MP, 1/3” CMOS image sensor, low illuminance, high image definition

> Outputs max. 4MP (2688 × 1520) @30 fps

> H.265 codec, high compression rate, low bit rate

> Built-in IR LED, max. IR distance: 50 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 (support the classification and accurate detection of vehicle and human)

> 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, voltage detection

> Supports max. 256 G Micro SD card, built-in Mic

> 12V DC/POE power supply

> IP67 protection

> SMD Plus

downloads 

https://www.dahuasecurity.com/asset/upload/uploads/cpq/prm-os-srv-res/smart/datasheetzipfiles/IPC-HDBW3441E-S_datasheet_20210329.pdf