<ul> <li><br /><b>Extensive monitoring area</b><br />Super PTZ rotation function , auto-rotation in the horizontal and vertical direction in order to farewell to blind area.</li> <li><br /><b>3~10mm optical zoom</b><br />The visual sense and focal length will change when the imaging plane moves in the horizontal direction ,the further scene becomes more clear that give you a progressive feeling.</li> <li><br /><b>Anti 6000V instantaneous voltage</b><br />Built-in anti surge and lightning protection device to effectively prevent the 6000V instantaneous voltage.</li> <li><b><br />Multi-platform monitoring</b><br />As long as the network where you can connect the camera to DVR for remote monitoring, and also support smartphone and laptops for remote viewing anytime from anywhere</li> <li><br /><b>Power off memory function</b><br />Support system double backup to ensure that the data will never lost because of outage ,also with memory function in case of power-down. It will automatically return to PTZ and lens statue when turn on the power.</li> </ul>