Manufacturer Kaba Mas Model 252SRN20N5BEA1A Finish Black Lock Type Electronic Lock Memory Programmable, non-volatile EEPROM Number of Users 20 Users Handing Non-Handed Door Thickness Up to 3.5″ (88.9 mm) Door Certifications UL/VdS/DNV/ECBS certification U.L. Listed UL listed, Type 1 high security electronic locks Warranty 1 Year Warranty Weight 3.0000