TP-Link VIGI C540S VIGI 4MP Full-Color PTZ Network Camera, Ultra-Low Light Color Night Vision: Capture 24-hour 4MP high-quality and colorful video even in ultra low-light, conditions without any supplemental lights, 360° Monitoring: Cover every corner and eliminate blind spots., Face Recognition*: Efficiently enhances access management and attendance control while better protecting privacy.*, People & Vehicle Analytics*: Quickly find people and vehicles of interest using a series of attributes, allowing you to improve search efficiency.*, Human & Vehicle Classification: Distinguishes humans and vehicles from other objects, so you receive more accurate event notifications., Smart Detection: Actively detects abnormal events like area intrusion and line-crossing, sending notifications to you instantly. ,True WDR Technology§: Enable crystal-clear images in high contrast scenes. Active Defense: Warn potential intruders instantly with sound and light when abnormal events., Two-Way Audio