4MP ColorVu 3.0 Fixed Bullet Network Camera - HikAI-ISP for excellent noise reduction effect - Super clear 24/7 colorful imaging with ColorVu 3.0 technology - Motion Detection 3.0, more accurate on person and vehicle classification -SL/-SRB: Two-Way Audio via camera and Hik-Connect -SL/-SRB: Strobe Light & Audio Alarm to deter intruders - Smart Hybrid Light: integrates IR and white lights, 3 supplemental lighting modes -F: On-board storage with SD card up to 512 GB - Water and dust resistant (IP67)