{120 Days Video & Audio Storage} It comes with 4TB hard Drive, can storage extra long time videos and pictures, you will not have to worry about missing any important moments, and it does not need to assemble extra hard drive normally, save your money and time | {Two-way Audio & Family Sharing} You can keep in touch with your family when you miss them and want to talk to them anywhere and anytime. This security camera supports multiple users(up to 4) to view streaming video simultaneously. You can remotely live view or chat by high-quality two-way audio via APP. Just download the free Eseecloud APP from APP Store (IOS) or Playstore (Android) on smart-phone. | {130° Ultra Wide-Angle Lens Equipped} Optical wide-angle lens with multi-layer lens, provides you about 130° wide viewing angle and reduces dead ends of surveillance areas. | {Dual antennas to enhance WiFi} The wireless signal is very important for this system. If the wireless signal is weak, the video will be blurred/stalled/disappeared, so we will update all cameras to real dual antennas. The wireless distance will be updated by about 55%, and the video will be even better. Smooth and clear. | {PIR&Smart AI Two-Way Detected} With the help of advanced recognition algorithms and Infrared Detectors, OOSSXX will send notifications in real time once abnormal actions.Compared with the Motion detection, Two way Detected avoid 99% False Alarm by leaves, cloud, animals or insects. | {3K 5.0MP High Definition} The 5.0 Mega Pixel (2592 x 1944) High Definition security camera ensures the more safety of people and homes for 24/7 hours. Everything within 80 feet can be seen even at night. It is equipped with an IR-LED system, automatically activates the infrared mode in low lighting conditions. | {Free APP & Remote Everywhere} Download the free app from App Store on your smartphone. With an internet connection, you can watch the videos remotely from anywhere on your phone (IOS&Android), PCs, or tablet