1. USB Video Conferencing Camera 2. 10x Optical zoom 3. RCA or S-Video,VISCA Protocol 4. P/T/Z Movement 5. Wall/Ceiling moun USB Color Video Camera for Conferencing System [Features]1. 10 optical x 10 digital PTZSONY 530 TVL/ Samsung 480TVL~570TVL 2. VISCA OUT RS-232C for 2nd camera controlUSB Interface, RCA Video output, and S-VIDEO, Support VISCA Control Protocol 3. High Speed DomePan speed: 0~ ...