The zinc constructed storage compartment holds multiple keys, or access cards. Set-your-own combination for optimal security. Large easy to read light-up dials for better visibility. Set your own combination with up to 10,000 possible variations. The large spaced dials light up for better visibility in low light and the large leaver can be easily opened with one hand. Complete with a durable cover for discretion and protection from the weather. Metal. Size H12.6, W7.2, D5.2cm.