Akuvox Android 5MP Video Door Phone with 10-inch Display (S539)Akuvox S539 video door phone, featuring a terraced surface, a multi functional camera module, and over 15 access control methods. More convenient, more secure, and more interactive. Aluminum panel with 10inch touchscreen Android operation system Wide angle camera: 120 (H), 72 (V) Two way audio communication over IP networks with Echo Cancel feature Multi way access feature including: Face, EM Mifare Card, PIN, BLE & QR code Flush mounted & surface