The Master Lock 5422EURD portable push-button key lockbox Select Access® has a 79mm wide metal housing for durability. No longer hide your keys under the doormat or under a flower pot: Select Access® is the perfect solution for sharing keys. Its portable design offers removable installation. With its push buttons, the Select Access 5422EURD is very easy to use, with gloves, by the elderly or by children. Set your own combination for keyless convenience and increased security. The protective cover prevents freezing and jamming; and the molded bumper and vinyl-coated clasp prevent scratches. The limited lifetime warranty offers peace of mind from a brand you can trust.