Brand - Guard Us Protective System Input AC 220 V/50Hz, Output DC 12V stabilized 3A/5A Direct control of door locks to reduce loading on door inhibitors, anti-disturbance, reduced wiring to save costs and reduce possible faults N/o and N/C contacts for connections to various electric locks Delayed switching, settable between 0 - 15 seconds Automatic Protection. Power will be temporarily disconnected or fuse will blow when there is overloading or a short circuit. Remote control with an optional remote control module. A remoter controller is used to activate doors/gates. Control range is up to 80m at open field with no disturbance.