Optimized Power Solution: the safety and efficiency of your access control systems with our rainproof transformer. It operates smoothly within a voltage range of DC 12V-15V and supports up to 5A of power, making it ideal for door system installations. Advanced Time Delay Feature: This power supply is equipped with an adjustable time delay setting from 0 to 15 seconds, enhancing the functionality of face recognition locks by allowing enough time for authentication before granting access. Universal Compatibility: Designed to be compatible with a wide range of face recognition lock models, this transformer ensures a seamless fit and operation, enhancing security measures without the need for multiple power accessories. The words are slightly different, which does not affect the use Color: White Material: Metal Package Contents: 1 x Adapter for Face Recognition Lock 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.