BEA's UL listed Maglocks provide a standards compliant locking solution for retail, healthcare, banking and other high security facilities that require UL Listed security products. Maglocks can be used on hollow metal, wood, aluminum, glass and composite door materials. Adjustable zero to 90 second relock time delay. Lock status sensor with visible LED offers either normally open (NO) or normally closed (NC) output configurations. Input voltage of 12 / 24 VDC, must be used with UL Listed power supply.