Wansview Wireless Ip Camera Network with Pan & Tilt, Night Vision, 2 Way Audio, Black, Built-in Microphone, Support Colour White With built-in Microphone, it enables user to monitor the sound on the site. User can also connect this equipment to the speaker, and it supports two-way intercom function. It was equipped with pan/tilt function, horizontally 270and vertically 120. Its outlook is smart, easy and convenient to install in many sites. Support 802.11b/g protocol, can build up wireless monitoring. Infrared LED for night vision covers 5m area, to realize 24 hours monitoring.