... driver, working quickly and stable, control sensitively, integrated design, compact construction and reliable.Whole machine is sealed, waterproof level: IP65 ... points move speed: horizontal 220° /sec, vertical 100°/sec. Samsung 27X optical zoom x 16X digital zoom module: SCM-2271 ... optical zoom (3.5-94.5mm), 16X digital zoom, Samsung W-V Intelligent chip, DUAL IR_CUT filters auto switch, restrain ...