产品描述
1.With 2 ways of automatic controlling;①descending in double for smoke-detector&temperature-detector;②descending for the delay of smoke-detector; 2.With 2 ways of manual controlling;①Point by point motion②Continuous motion 3.Feedback function of the door 4.Priority for escaoing with manual controlling function; 5.Low voltage protect and autonmatic correct the mistake for the 3phase.