Hikvision DS-2CD1043G2-LIUF/SL 4MP Smart Hybrid Light Fixed Bullet Network Camera, Support Human and Vehicle Detection, Smart Hybrid Light: advanced technology with long range, Support on-board storage up to 512 GB (SD card slot), 1/3" Progressive Scan CMOS, Up to 30 m Supplement Light Range, Wide Dynamic Range (WDR): 120 dB, SNR: ≥ 52 dB, Day/Night Switch, Image Enhancement. BLC, HLC, 3D DNR, Built-in Microphone, Built-in Speaker for audible warning, Water and dust resistant (IP67).