... makes sharper monitor2) Be compatible with common cassette mechanism of camera, like SONY, HITACHI, LG and other famous brands ... proof, surge resistant11) IP 66 outer cover with all day protection; Built-in auto thermostatic control system Specification: Model ... .25~88mmIris & ZoomAuto/ManualZoom Function27X optic zoom and 12X digital zoomPan rotation range360° continuously, 0.1°~15°/sTitle rotation ...