Electromagnetic Lock, Surface Mounted, Opening Action Electromagnetic, Aluminum, Amp Draw @ 12V 0.52, Amp Draw @ 24V 0.26, Input Voltage 12/24V DC, Holding Force (Lb.) 750, Armature Length (In.) 7 1/4 in, Armature Width (In.) 1 1/2 in, Armature Depth (In.) 7/16 in, Lock Body Length (In.) 18 3/4 in, Lock Body Width (In.) 1 1/2 in, Lock Body Depth (In.) 1 in, Mfr. Series 8, Instantaneous Release Delay, Brushed Anodized Finish, Standards CAN/ULC S104, CSFM: 3774 2127:0100, UL 294