A cloud based system - PL880M 1. Suitable for multi apartment, maximum up to 99999 apartment. 2. 10inch TFT-LCD screen, touch screen operation. 3. Smart phone app control. Talk/monitor/unlock/snapshot/video record. 4. Name list function. Digital and letters available. 5. IC card access, code access, QR code access. 6. Cloud storage function. Can review all of access logs on cloud platform and the app. 7. Two relays output.