4-digit lockbox is a practical tool for your lifeCombination key box Wall-mounted home decoration key combination box combination lock key boxFeature:❤Sturdy construction and easy combo viewing for easy on/off and reset.❤An installation-free password key box❤ Can be installed on any solid surface with our mounting accessories and the whole process only takes a few minutes.Specification:Product name: password key boxColor: black, silverProduct size: 175*65*33mmDimensions inside the box:Box height: 74mmInner width of box: 42mmThickness inside the box: 25mmLock body material: zinc alloyApplicable to: key/room card/bank card/U disk (can hold 6 keys with length less than 73mm)Scope of application: key storage and management in homes/factories/decoration companies/construction sitesPackage Contents:1*Premium Key Lock Box1*InstructionNotes:1. We do not recommend using passwords that are easily cracked such as "0-0-0-0",2. If it is not used for a long time, please open the lock once a week, which can effectively prolong the service life of the lock.