Features:Safe mode: the door locks when powered, and can be unlocked without a power source.It is made of high quality aluminum alloy material for optimal durability.No external interference, to guarantee it is more stable and safer.DC 12V voltage, low starting current and standby current, good reliability.Adjustable delay of 0s, 3s, 6s and 9s, especially suitable for glass doors.Specifications:Condition: Brand NewMaterial: Aluminum alloyColor: Shown as pictureTimer Delay: 0s, 3s, 6s, 9sStarting Power: 1000mAStandby Power: 120mAVoltage: 12 DCSize: Approx.150*43*37mm/5.9*1.7*3inWire: 5 wires (red, black, orange, green, white)Wire Connection: Red--12+, black--GND, green--NO, white--COMRed is connected to the power supply +12V, black to GND, conventional only need to connect 2 lines to work.Green and white are the door signals, white is the common port (COM), the green line is normally open (NO), orange is the open door connection point and the black line can be connected to the exit switch.Package List:1 * Lock Body1 * Door Holder2 * Fixing Panel4 * Plastic Pad1 * Hex Wrench1 * User ManualNote:Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering.