... light, it can watch clearly within distance of 200m, very low noise, have no flashlight phenomenon, the best effect in the ... , actually realize to control the internal temperature under normal working level.Waterproof outdoor.Horizontal 360° continuous rotation, speed is 220° / ... 485 or RS-232C CMOS Level(2400, 4800, 9600, 19200, 38400, and 57600bps Selectable) SSNR Low/Middle/High/OFF Selectable Focus ...