Check the listing for details. AMOCAM Access Control Power Supply for Door Intercom Doorbell Various Electronic. Condition: New. Listed at 27.99 USD. AMOCAM Access Control Power Supply for Door Intercom Doorbell, Various Electronic Door Locks, Video Doorbell System, K80 Power Supply Control Input AC 110-240V to Output DC 12V/3A, Worldwide VoltageFeatures:This is a standard 12V DC 3A access control power supply. Wide input voltage range 110-240V AC, steady and precise, Automatic protection function: overload/ over voltage/ short circuit. It can set time lapse control circuit and unlocking time can be in 0-15 seconds(it is arbitrarily adjustable). Provide very stable and reliable output in a various applications such as lock control/ controller control/ exit button/ RFID reader etc.Specification:Material: MetalInput Voltage: 110-240V AC (Worldwide voltage)Input Frequency: 50-60HzOutput Voltage: 12V DC/3APower: 36WLoad: 1% TypicalOutput Stability: 0.5% TypicalHold Time: Full Load Typically 20msOperating Temperature: -4℉~149℉Adjustable Locking Delay: 0~15secPackage:1 x Power Supply1 x User Manual (English)Power supply for door access control, lock, video doorbellSet NC / NO outputs, control NO /NC and COM portSupport control access control keypad, door camera.Support control exit push button, remote control.Support control electic gate lock, electric strike lock, electic bolt lock, magnetic lock.Easy to installThis power supply is small, easy to install and easy to use, the input voltage range from 100V-240V to normal use, suitable for all countries of the world.Compact design and light weight, Short-circuit and overload protection for safety use.0~15 Seconds AdjustablePower supply for door access control is a transformer which provides stable output voltage.Based delay control circuit, It can set time lapse control circuit and unlocking time can be in 0-15 seconds(it is arbitrarily adjustable).Note: Opening time must set to 0 second when connecting with electric controlled lock. Otherwise electric bolt lock would be Burned Down.Input AC 110-240VFrom the power supply tail protective sleeve leads to two power lines. Input AC 110V-240V countries of the world.Multi-size mounting holesMetal housing, both sides provide 3 sets of variable mounting holes, can be hung or flat installationOut DC 12V 3APluggable, knob type output terminal, can be installed in a small space, easy to use