Main features: | Wi-Fi Module - 2.4 GHz IEEE 802.11 b/g/n, Protections : WEP 64/128-bit, WPA/WPA2, WPA-PSK/WPA2-PSK, WPS, Microphone built-in, Speaker built-in, Echo suppression and reduction / digital noise reduction, Smooth adjustment of monitor parameters: image brightness, ring tone volume and conversation volume, The ability to automatically take and save photos if you do not answer to the bell button, The ability to record a short video message in the absence of a response to the bell button, IP Dahua cameras support, DND mode, SOS support, Android 8.1 system , | Wi-Fi Module - 2.4 GHz IEEE 802.11 b/g/n, IP Dahua cameras support, Microphone built-in, Speaker built-in, Bidirectional communication, Echo suppression and reduction / digital noise reduction, Receive and view the published information from the management center, DND mode , |