Manufacturer Best Access Systems Model 9KW37DEU15DS3 Lock Functions DEU Electrically unlocked Door Thickness For use on 1 3/4″ minimum thick doors Backset 2-3/4″ standard Handing Non-Handed Keying/Keyways 7 7-pin housing; accepts all BEST cores (Core Not Included) Latchbolt Solid brass 9/16″ throw. Front 2 1/4″ x 1 1/8″ beveled Exposed Trim 15 Contour with angle return Roses S3: Conforms to ANSI A115.2 for 1 3/4 doors (4 7/8 x 1 1/4 with curved lip) Strikes S3 ANSI Mode of Operation Fail Secure Voltage 24 volts DC only Electrical Specifications 0.18 amps intermittent or continuous duty U.L. Listed UL listed for GYQS Electrically-controlled singlepoint locks or latches CA State Fire Marshal This product has been approved by the California State Fire Marshal (CSFM) pursuant to section13144.1 of the California Health and Safety Code. NYC MEA Approved by the city of New York Board of Standards and Appeals under calendar number 730-89-SA. See CSFM listing No. 4136-1175:103. It is subject to re-examination, revision and possible cancellation ANSI/BHMA American National Standard: ANSI A156.2, Series 4000 Grade 1 (formerly FF-H-106C Series 161.) Warranty 1 Year Warranty Weight 10.0000