Vivotek Fixed Network Camera 1-megapixel CMOS Sensor, Real-time H.264, MPEG-4 and MJPEG compression (Triple Codec) Privacy Button to Pause Monitoring, Tamper Detection for Unauthorized Changes Built-in PIR Sensor for Human Detection, Built-in White-light Illuminators Built-in 802.11b/g/n WLAN, Wi-Fi Protected Setup (WPS) for Easy and Secure Wireless Network Connections Built-in Microphone and Speaker for Two-way Audio compact, Elegant Design