... is welcome 3. CE, RoHS compliant Box IP Camera with 1/3 '' SONY CCD 420(520) TVL Specifications ... , AES, AGC...12. Audio Compression : G.72213. Audio Stream : Two-way talk back , broadcast14. Audio Input/Output : Mic input ... OS : Microsoft Windows 2000/2003/XP/VistaBrowser: Internet Explorer 6.0 or above Management Software:FREE ... in, 3.5 mm headphone out, RS485 (PTZ), Alarm I/O Local Storage :SD memory ...