... Load/No-load Current Operation ,suitable for wooden/metal door.2.Normal voltage: 6-12V AC/DC.3. ... Wide Applications: Wooden door or metal door.4.Two types of faceplates, angles have ... Okey Mechanical Lock. Features & Function Wide Application RangeSuitable for signal side or sliding door, metal, wooden, or steel door, can ... Load/No-load Current Operation Electric Door Strikes Lock