1. 本定时控制器有四个定时控制组，每个定时组最长可定时100小时，基本上满足了各种场合的需要。 提供两种定时模式选择。 -1. The timing controller has four timing control groups, each timer can be set up timed 100 hours, basically meet the needs of a variety of occasions. Offers two timer mode selection.