This is a 110V--240V Access Control Power supply, it has anti-interference ability, provide very stable and reliable output in a various applications such as lock control/ controller control/ exit button/ RFID-ID Reader.etc. Why not have a look? Features: Based delay control circuit, lock time can be in 0-15 seconds. Set NC / NO outputs, can control various types of electric locks. The power supply controller is easy to install and carry. It has anti-interference ability, stable and reliable. The back of the power supply is designed with a hole, which can be hung on the wall. Can reduce the load of access controller, save wiring to reduce the hidden trouble. Automatic protection function, unexpected situations such as when the power supply short-circuits occurs, the power may be temporarily disconnected or the fuse auto insurance line off. It controls electric lock directly. Specification: Material: Iron Input Voltage: AC110V-240V Output Voltage: DC12V Output Current: 3A Power: 30W Lock Voltage: DC 12V(NO/NC can be selected) Delay Time Range: 0-15S Size: Approx. 104 x 68 x 32mm/4.09 x 2.68 x 1.26inch Compatible: For Door Access Control System Weight: 327G Quantity: 1PC Package List: 1 x Power Supply Controller 1 x User Manual .Note: 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.