{2-Way Audio} The cameras for home security outside build-in microphone and speaker ,you can talk with your family or visitor through app on your cellphone .Remotely live view and chat via high-quality two-way audio on the free HonestView app for iOS and Android.Our video surveillance equipment has been upgraded with two powerful WiFi features , our NVR system can now connect directly to your home network via WiFi, eliminating the need for a long ethernet cable. {5MP Camera & Comprehensive Viewing Angle} Equipped with 4Pcs 5-Million-Pixel PTZ cameras with Super CMOS, the camera enables a crystal clear viewing on your security system. The PTZ camera can rotate all around, which avoids a dead end of surveillance-- 355°horizontally & 95°vertically. viewing angle let you monitor wider areas to protect the safety of your family and property. {2-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. {Free APP No Month Fee} Download the free app "Honestview" 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