eufy PoE NVR Security System S4The Ultimate 4 Cam System: Safeguard every corner with two 4K turret cameras for key areas, two bullet PTZs for a wide 4K view, and one 2K PTZ for 8 zoom and seamless 360 coverage for intelligent, active monitoring. Powered by AI ISP for vibrant color and enhanced low light visibility. Auto Framing and Group Tracking: When the bullet camera detects a subject, the PTZ locks on and auto tracks them in sharp, centered close ups from up to 164 ft away.