Master Lock Portable Key Safe with Shackle Push-Button Combination - 5422EURD. This key safe is ideal for indoor and outdoor use, featuring a flexible design with a shackle and a spacious interior for multiple keys and access cards. The resettable push-button combination allows for keyless convenience with thousands of personalized code options. Its durable metal body construction and shutter door protect the combination dials from weather. The exterior dimensions are 11.7 x 7.9 x 5.2 cm, with interior dimensions of 8.5 x 6.1 x 1.5 cm, and a shackle size of 5.3 x 5.4 cm. This portable model with a shackle can be placed on doors, barriers, portals, or fences, making it convenient for collective ownership and rentals without the need for wall fixing. It is a great solution for Airbnb hosts and home rentals, providing easy access for caretakers and home workers, or for sharing keys with family and roommates. Master Lock offers a limited lifetime guarantee, promising to repair or replace the product or any part of it free of charge if it fails due to defects in materials or workmanship.