... , 1.H.264,Dual stream,480 tvl SONY CCD 2. two way audio, 3.10 x optical zoom 4.IR Distance : 20 ... MINI Speed Dome IP Camera,H.264,Dual stream,2-way audio,480 tvl 1/4 SONY CCD,Zoom:×10,3 ... .90°0~200°/sAlarmAlarm DetectionSupport motion detecting / 1 way input triggeredAlarm action1 way output/E-mail pictures /upload video by FTP/messages ...