Manufacturer Security Door Controls Model 1562ITCM Application External electronics, 1-1/4″ depth for 1-1/4″ to 1-1/2″ frames Housing Dimensions 8″L x 1-1/2″W x 1-1/4″D (203.2 x 38.1 x 32mm) Armature Plate Dimensions 8″L x 1-1/2″W x 7/8″D (203.2 x 38.1 x 22.2mm) Door Type Single Door Voltage Auto Sensing 12 to 24 VDC Power/Current Requirements 650/350mA @ 12/24VDC Holding Force 2000 lbs. (907 kg) Mounting Type Concealed Certifications ANSI / BHMA Grade 1 Compliant U.L. Listed UL Listed Warranty EmLock Lifetime Weight 10.0000