Electric Door Strike, For Use With Cylindrical Locksets, Performance Heavy-Duty, Failure Mode Fail Safe or Fail Secure, Input Voltage 12 to 24V AC, 12/24V DC, Door Frame Type Aluminum/Hollow Metal/Wood, Faceplate Width 1 1/4 in, Faceplate Height 4 7/8 in, Faceplate Depth 1 1/16 in, Pull Force 1, 500 lb, Grade 1, Fire Rated No, Finish Brushed, Material Stainless Steel, Bolt Throw 1/2 in, 5/8 in, 3/4 in, Strikes 500, 000 Cycles, Features Low Profile, Standards ANSI/BHMA A 156.31 Grade 1, UL 294