4K POE CCTV Kits. 5MP POE CCTV Kits. 2MP POE CCTV Kits. ZOSI 3MP Wireless CCTV Security Camera System Wifi IP Audio Outdoor 8CH NVR 1TB. High-Gain 5dBi Dual Antenna. The 5dBi dual antenna can effectively enhance wall penetration and anti-interference performance, providing strong and stable WiFi signal. This is an expandable WiFi camera system, it provides you the flexibility to extend additional cameras. You can add more 4pcs 3MP PT cameras. OTA Technology supports directly upgrading the NVR system through the server, one button to realize the program upgrade. This WiFi surveillance system runs on H. 265+ video format, a technology that can reduce up to 50% storage space and bandwidth resources. ZOSI 3MP PTZ Wireless CCTV Security Camera System 12.5 LCD Monitor 2 Way Audio. You can adjust the camera view on your smartphone, 355° pan and 140° tilt to see different angles around the house to ensure safety. You will receive timely and precise alerts in real-time when the camera detects any suspicious activity. IP66 weatherproof casing makes it tough enough to withstand harsh weather conditions. Slim and sleek all-in-one NVR offers maximal flexibility in placement. Mount it to the wall or put it on any flat surface like a table or shelf. By customizing motion zone and adjusting motion sensitivity, it can effectively reduce useless false alarms. 265+ plus AVBR video coding compresses video file sizes 50% more efficiently than H. 264, saving you lots of hard drive space. Before sending back any return items, please contact with us for a correct return address. We will try our best to avoid any quality problem. We will reply you no later than 24 hours. Our customer service and tech support will do our best to offer you a proper solution. We appreciate your business greatly. If you are satisfiated with our products and service, please leave some feedback for us. Your recognition will make us more confident to develop our business and serve you better. Your satisfaction, our pursuit.