Material - This safe box made of high-quality solid steel, surface processing with phosphating treatment, environment-friendly spray coating, has impeccable wear-resisting, anti-rust, and anti-scratch. Secure Design - The 3-8 number combination gives you thousands of potential codes to keep your belongings safe and secure. This digital safe box can be installed on the wall, floor, shelf, cabinet or anywhere you like. 2 Back up Keys - Electronic safe with 2 back up keys. So in the event of you forgetting your code or the batteries going dead, you can still gain access. Protect Your Assets - External size 23 x 17 x 17cm. The safe box is perfect for protecting guns, documents, jewelry, etc. Great for home, office or business use. Box Contents - 1 Safe Box, 1 Velvet Cushion, 2 Anchor Bolts for Mounting, 2 Keys, 1 Instruction Manual.