External wiring port for easy wiring. Reduce the load on the access controller, save wiring, and reduce hidden dangers. The power supply controller has a remote unlocking module card slot, which can be inserted into the slot and unlocked with one button.50W high power transformer, and has high utilization efficiency and large output power. Battery over-discharge protection, automatically disconnects the battery when the battery voltage is lower than 9.5V during battery use. The new upgraded power supply has an adjustable design with an adjustable time of 0-15 seconds. Semi-enclosed Acrylic glass cover with aluminum alloy on the back for dissipation. Small size saves installation space and is easy to use. This is a 110V - V (12V5A) access control power supply which consists of high quality electronic components and advanced technology. It is immune to interference and provides a very stable and reliable output. Applicable to all kinds of building intercom power, can be connected to a variety of import and export control, especially applicable to a variety of electric locking drive. Specification: Input voltage: AC110V-240V Output voltage: DC12V Output current: 5A Power: 50W Supply lock voltage: DC 12V; NO/NC optional Delay range: 0-15S Product weight: 400g Colour:as shown Material:Plastic + metal Size:132 * 74 * 39mm Package Contents: 1* access power supply 1* User manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.