For over 100 years, Adams Rite has been the Aluminium Hardware Authority, known for their innovative designs and Excellent products. When the Maximum Security MS Lock launched in 1955, it quickly became the industry standard and even now remains the dominant locking solution for narrow stile aluminum openings. Today Adams Rite designs, manufactures and markets door and door hardware products to the commercial, industrial and institutional building construction industry and is recognized as one of the leading suppliers in its area of specialization. Our product lines include electromechanical deadlocks and deadlatches, electric strikes and exit devices for exterior and interior doors as well as integrated door assemblies. Our products are designed to complement the clean lines of modern doors, while at the same time meeting safety and access codes. Features. Battery Operated Keyless Entry Control Device. Provides Access Control for Adams Rite Deadlocks, Deadlatches, and Exit Devices. Can Operated in Three Modes. All Programming Accomplished Through KeypadSpecifications. Door Range 13/4 to 21/4. Door Thickness 13/4 to 21/4. Finish Satin Chrome. Finish Code 626. Function Entry. Lever Knob Design Curve Lever. Material Steel. No Of Inners 1. Power Supply 4 AA Alkaline Batteries. Series 3000 Series. Dimension 13/4 x 153/8 in.