About this article. Practical, Ptical and Safe Box Key Code: - The solid metal casing will certainly withstand a lot and withstand a violent opening for a long time. The exterior key box with numeric code is intended for indoor and outdoor use. The combination is easy to adjust with a 4-digit numeric code offering 10,000 possible combinations to protect the key. Security Box Key Code: - Stop hiding your keys under the doormat or under the flowerpot. The secure key box allows you to access the key at any time, even when you have lost your real key. In the event of an emergency, friends, family and the fire department must allow access, even in your absence. It can be mounted on a wall for home, office, car, school, rental house, factory, etc. (NOTE: This case is not for the big car key). 4 Dgit Box Key with Code: - Key safe with padlock uses a 4-digit multi-combination code to offer you anti-bounce protection. A push button allows you to open it quickly. The original combination is "0-0-0-0" (drill 4 holes, connect the dowels and fix the vault, it's done ). Large Cpacit Safe Key Box: - Key box with code a size of 3.6 x 2.56 x 1.3 (inches) can organize multiple keys, you can secure the key If you don't want to put the key under the doormat or under a stone, safe wall keys can protect your key. Life necessities: - Outdoor key safe can reduce your life troubles whether you are forgotten or lost at home. Key safe box a much better and safer alternative. Ideal for medical personnel who need access, the elderly or children with domestic helpers, babysitters and district nurses. When you find yourself locked out again, you will have the key. See more details.