Intelligent Motion Detection & Alerts. Focus on Your Concerns. You can customize motion detection areas as well as block out selected areas. Dual Deterrence Against Intruders. Once any person/motion is detected, built-in powerful spotlights and siren will be triggered to warn off the unwelcomed. Turn Your Camera into a Walkie-Talkie(Only C182 Camera). Not only watch ultra clear live video, you can also hear and talk directly to anyone who approaches via 2-way audio. Only Work with ZOSI PoE NVR. This IP camera is only compatible with ZOSI PoE NVRs, enable to protect every corner of your house 24/7. Easily DIY Your PoE Security System. With a single Ethernet cable connecting each IP camera to NVR for power & video transmission, it frees you from messy and tiring cabling. With built-in 2TB HDD and up to 8 cameras connected, it supports round-the-clock protection. Save a lot of space and provide sharper and smoother video streaming. Get Various Access Remotely. Enjoy vivid live view via Zosi Smart App on mobile devices or AVSS Client on PC/ Mac. Work Well Indoors & Outdoors. With IP66 weatherproof materials, it is tough enough to bear all kinds of conditions.