Product Description Features: 01. Minimum illuminance:0.01lux 02. 128 presets points linkage, eight pattern tours. 16 preset positions for each group 03. Memory protection in case of power outage 04. Public protocol and compatible for other protocols 05. Support RS485 control protocol 06. Static and dust-removal: Double-liner housing designed for ventilation, protection standard IP66 07. Adjustable scan speed and the idle time between the preset positions. The scan speed is Grade 1-64. idle time is 1-60S 08. Built in mult-protocol:PELCO-D, PELCO, KALATEL, SAMSUNG