DC12V Power Supply Controller for Door Locks 100-240V AC Switch Adapter Compatible with Video Inter Less Power consumption, and high power It controls electric lock directly Can reduce the load of access controller, save wiring to reduce the hidden trouble Set NC / NO outputs, can control various types of electric locks Based delay control circuit, lock time is adjustable Kindly note:5A can control 2 electric locks. Automatic protection function Operative device: E/M Lock, Access Controller, Exit Push Button, Door Bell (The product printed words depending on the batch, but this does not affect use) Specification:5A Color:As Shown Material:plastic Package Contents: 1 * Power Supply Controller 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.