Hikvision DS-2CD1321G2-LIU 2MP Smart Hybrid Light Turret Network Camera, Support Human Detection, Smart Hybrid Light, Up to 20m Supplement Light Range, Built-in Microphone, 1/2.9" Progressive Scan CMOS, 25 fps (1920 × 1080, 1280 × 720), Digital WDR, SNR ≥ 52 dB, BLC, HLC, 3D DNR, Water and dust resistant (IP67).