2K Super HD, See Things Clearly. Smart & Active Deterrence. The camera detects humans and activates spotlight and siren alerts to send strangers running. See, Hear and Talk Remotely. Use two-way audio to respond to guests or warn off the unwanted from anywhere. On Guard Rain or Shine. IP66 weatherproof casing makes it tough enough to withstand harsh weather conditions. Easy Live View & Playback. Get instant access and control to your cameras via the free Zosi Smart App/AVSS Client any time, anywhere, from any device. Secure Storage & Reliable Recording. With built-in 1TB HDD and expandable storage up to 8TB, you can have all the critical moments stored securely for later playback. Customize Your Security System. This camera system can be expanded to 8-camera kit, so you can add more compatible ZOSI WiFi cameras (ZG2893M/ZG3063M) to meet your security needs. High-Gain 5dBi Dual Antenna. The 5dBi dual antenna can effectively enhance wall penetration and anti-interference performance, providing strong and stable WiFi signal. 265+ plus AVBR video coding compresses video file sizes 50% more efficiently than H. 264, saving you lots of hard drive space.