Manufacturer Schlage Electronics Model CO100CY70-KP-RHO-643e-BD Entry Features Keypad Finish Aged Bronze 643e Handing Non-Handed Backset 2-3/4″ Standard Door Thickness 1-3/4 Standard Operating Temperature Exterior -31 to 151F (-35 to 66C). Interior 32 to 120F (0 to 49C) due to battery Strike 1-3/16 Lip, ANSI, No Box, 1-1/4 x 4-7/8 Latch Front 1/2? throw security latch standard Power 4 AA batteries (standard off the shelf: included) Programming Used to enable programming of the lock. Does not unlock the lock. Interchangeable Core Models Small format Best and equivalents (6 or 7-pin length) (Less Core) Compliances Meets or exceeds A156.25 and A156.2 Series 4000, Grade 1 strength and operational requirements ANSI/BHMA ANSI/BHMA A156.25 Grade 1 U.L. Listed UL 294, UL 10 C, FCC Part 15, ADA Warranty 1 Year Warranty Weight 10.0000