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.