Hikvision DS-2CE16D0T-LPTS 3.6mm 2MP Two Way Audio Fixed Mini Bullet Camera, Smart-Hybrid Light, Supplement Light Range IR: Up to 25 m,White Light: Up to 20 m, High quality audio with audio over coaxial cable, built-in mic, and built-in speaker, DWDR, BLC, HLC, 3D DNR, 12 VDC ± 25%, Water and dust resistant (IP67).