Pls kindly note: The remind language only English available and ONLY work for Android system now!(Due to the latest version of iOS system have some limit to our APP). WiFi intercom can remotely Talk with video, Monitor, Record, Alarm, Unlock the door! WiFi Video Doorbell connects to network via Wifi router or network cable. Mobile devices including smartphones or Tablets, could connect to the doorbell. After the visitor rings, mobile devices could interact with doorbell via real time video and audio, unlock, take photos, take videos, and warning. P2P cloud service could push messages of visitor calling and alarms. This product has capabilities of anti-removal alarm, PIR , infrared night view. The smart video doorbell that lets you answer the door from your smartphone, allows you to see, hear and talk to your visitor from an iOS or Android mobile device with Wi-Fi or 3G/4G coverage. anywhere in the world! It support 8 users to moniter one video doorbell at the same time, also have one indoor bell receiver included.