Features:Sturdy MaterialOur key safe allows you to store things such as keys, wallets and so on in a secure location.the Instruction guide takes your through steps to re-set your access code at any time.Easy to install: Install with pre-drilled holes is super easy.Large secure storage: Outer dimensions: 115mm long, 95mm wide, 40mm thick, can holds up to 5 keysColour: Black,GrayMaterial: Aluminum alloyInstructions for use:1.Pull the weather cover down to reveal the dials.2.Rotate dials to the current combination3.Pull the door fully open and add or remove the keys.4.Close the door, realign the combination dials to lock the door and conceal your combination.5.Close the weather cover.Inner Size: Approx.90*62*30mmnote:1.Keep the weather cover closed to increase weather resistance.2.We do not recommend use the combination such as "A-A-A-A" which is easy to crack.3.It is recommended the dials are rotated weekly to keep them moving freely.Package Included:1 x Key Storage Box4 x Screws4 x Expansion tube1 x User ManualNote:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.