Dahua 4MP Wizsense Dual Light PoE IP Dome Kamera Two-Way Talk IPC-HDW2449T-S-PV
> Supports max. 256 G Micro SD card; built-in Mic; built-in speaker; support two-way talk. > Sound and light alarm. > Built-in IR LED and warm light, and the max. IR illumination distance is 30 m, the max.