Simplex 1000 SeriesThis mechanical lock, with knob option, elimates the material and labor expense of battery replacements.Locking Device: Cylindrical latch with 3-hour UL/ULC fire rating on "A" labeled doorsNumber of Codes: Single access code?one easy-to-manage code for all usersProgramming: Lock is easily programmed via keypad without removing lock from the doorHanding: Factory-handed for left-hand doors; easily field reversibleOperation Modes:Pushbutton AccessPassage (select models)?allows access without using the lock entry code. Feature activated from the inside with a thumbturn or key (included with all passage feature models).Lockout (select models)?disables the lock from the inside so that the entry code cannot be used to gain access. Access is permitted using the key override only.Economical: A cost effective access control solution