... filament lamp:100W Three-wire system led light switch controller Sound and light controlled energy saving controllerModel:HY-S373K ( ... auto close after 60S±20s.With power saving, no contacting, no spark, longevity, Security and ReliableApply to: stair passageway, gallery ... , daylight lamp, LED lampNotice & Precautions:Please cut off power before installation, to avoid cutting-out or overloading. The ...