4XEM's WL80 wireless IP Network Camera features a 1/3" CCD Image Sensor, MPEG 4 video compression, Generic I/O Ports (1 input, 1 output), 802.11g wireless communication, and a sensitive microphone. Connections are also available for an external microphone and for audio output, enabling two-way audio communication. This IP Network Camera is ideal for applications that require two-way audio such as audio surveillance, reception points, remote instruction and simple video conferencing. WI-FI communication provides cost savings and flexibility.