Bundle 2 pieces Grandstream GXV3615W WiFi Cube IP Camera Built-in microphone and speaker with industry-leading SIP/VoIP capability for two-way audio as well as video streaming to mobile phones and video phones Motion Detection and Alert Notification Built-in high performance streaming server to allow 10+ simultaneous 24MB pre-/post-event recording buffer Easy installation and management using Grandstream web-based graphical user interface