Access Control Power Supply Controller, 100V-240V AC to DC 12V/14V 5A, Adjustable Delay 0-15s, Metal Case with Battery Backup Charging & LED Indicators, for Door Locks, Intercoms, Access Systems

Universal Power Input - Supports AC 100V-240V input and provides stable DC 12V/14V 5A output, compatible with electric locks, access controllers, doorbells, intercoms, and remote devices.
Selectable Voltage & Adjustable Delay - Output voltage can be switched between 12V and 14V; built-in knob allows adjustable unlock delay from 0-15 seconds for flexible door access control.
LED Status Indicators - Front panel indicators display real-time system status, including power on, DC output, battery charging, and low battery warning, for easy monitoring.
Backup Battery Charging Support - Designed with built-in charging function; backup battery can be installed inside the metal case to ensure uninterrupted operation during power outages.
Safe & Convenient Design - Durable metal enclosure with on/off switch allows shutting down the device without cutting external power; includes short-circuit protection and stable heat dissipation.