Mechanical retraction of latch upon entry of correct sequence of code. Non handed units. Reversible latch. Protective clutch mechanism. Fast code change whilst unit fitted. Suits doors 35-54mm thick. Vandal resistant, solid metal pushbuttons. 3 Year Warranty. Outside : Lever Handle on operation of code Inside : By Knob - Free Exit No. Of Codes : 1 Combinations : 1000 Code Length : 1 to 5 digits Latch : Medium duty 13mm mortice deadlatch Finishes : Grey, gold or black