Manufacturer Von Duprin Model 6223-24VDC-US10 Door Lock Type Cylindrical, Mortise Mode Fail Secure Frame Application Aluminum, Hollow Metal, Wood Voltage 24 VDC Current DC Duty Continuous U.L. Listed UL listed Burglary Resistant CVXY and Electric Strike for fire doors or frames GXAY (fail secure only). ANSI/BHMA ANSI E59321 Warranty One Year Electrical Product Warranty Weight 3.0000