Master Lock Portable Push Button 5 Key Safe a convenient push button locking mechanism designed in a familiar alpha/numeric telephone keypad format. You can set your own combination using up to 12 letters, numbers, or a combination of both, making it customizable and secure. The large buttons ensure ease of use, even in low light conditions, while the spacious internal cavity prevents jamming, even when holding multiple keys and access cards. A protective weather cover guards against zing and jamming, ensuring reliable performance in various environments. The molded body and vinyl-coated shackle protect your belongings by preventing scratching and enhancing durability. Model Number: 5422D