Scope of application: Household, Company, Warehouse, Factory, Office, etc. Re-settable Passwords: 1.Open the waterproof cover of the lockbox 2.Open the key lock box with the default code (0-0-0-0) 3.Push the RESET lever on back of the door to the right and upward 4.Rotate dials to set your desired combination 5.Push the RESET lever downward and left,back to the original position 5.Slide the RELEASE tab to left 7.Pull up the shackle,hang over the object and put the shackle down Color:Black Material:aluminium alloy + Zinc alloy Size:185*83*41.5mm Package Contents: 2 * key lock box 2 * waterproof cover 8 * screws 8 * nylon expansion dowels 2 * manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 4.For indoor and outdoor use.Hanging lock box can storage keys and access card.Large internal cavity allows secure storage for multiple keys. 3.With 4 digits, you can set you code with 10,000 possible combinations, much more difficult for thieves to crack.NOT recommend combination such as "A-A-A-A". 1. 2.It'll withstand hammering,sawing,prying 5.Perfect For Spare Key: Emergency access for seniors, realtors, construction, trades, family and friends.