... max. 4.Trigger volume:70dB KA-SLH06 light control and sound control lamp holder specifications:1) Power source: ... -150s delaying time. Application places:Widely used in the gangway and aisle of enterprises, hotels, hospital, school, hall, office, ... basement, warehouses and houses etc.Energy efficient, economical, convenient, practical. light control and sound control lamp holder (KA-SLH06 ...