Electromagnetic Lock, Hard Anodized Aluminum, Amp Draw @ 12V .75A, Amp Draw @ 24V .38A, Input Voltage 12/24V DC, Total Projection (In.) 4 in, Holding Force (Lb.) 1,000, Armature Length (In.) 7 in, Armature Width (In.) 2 in, Armature Depth (In.) 1 in, Lock Body Length (In.) 10 1/2 in, Lock Body Width (In.) 2 in, Lock Body Depth (In.) 3 in, Mfr. Series M400, Aluminum Finish, Standards ANSI/BHMA156.23, UL1034, UL10C, Options Included Automatic Voltage Selection