Dahua 4MP WizSense IP Camera PoE Mic Speaker IPC-HDW3449H-ZAS-PV 2.7mm–13.5mm
> Alarm: 1 in, 1 out; audio: 1 in, 1 out; supports max. 256 G Micro SD card; built-in dual Mic; built-in speaker; support two-way talk. > Built-in warm light and IR LED; the max. IR illumination distance is 50 m and warm light distance is 40 m.