Master Lock Push Button 5 Key Safe Convenient push button locking mechanism in familiar alpha/numeric telephone keypad format. Set your own combination using up to 12 letters, numbers, or both. Large buttons for ease of use, even in low light conditions. Large internal cavity prevents jamming, even when holding multiple keys and access cards. Protective weather cover prevents freezing and jamming. Molded body and vinyl coated shackle prevent scratching. Internal dimensions 3-1/2 In. 89 Mm. H. x 2-1/4 In. 57 Mm. W. x 1 In. 25 Mm. D. Material Metal, Mount Type Portable, Key Capacity 5, Size 3-1/2 In. H. x 2-1/4 In. W. x 1 In. D., Lock Type Push Button, Color Black, Pkg Qty 1, Package Type Hang Tag WARNING This product can expose you to BPA which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.