Feature:*Aluminium alloy, great durability ensures it won't be opened forcedly.*Solid construction designed for outdoor use.*Easy to use push lock combination.*No maintenance and No power source required.*Pre drilled holes for easy wall fixing.*Ideal for storing keys securely.*10 push-buttons, can be combined into thousands of passwords and resettable, superior security.*Comes with a removable protective cover to protect the unit against dust and rain.*You don't have to carry the keys everywhere, avoiding the risk of loss.*The safe is accessed via a code chosen by you making it ideal for those authorised visitors. Specification:Material: Aluminium AlloyColor: BlackSize: Approx. 105*65*48mm/4.13*2.56*1.88inInternal size: Approx. 70*38*40mm/2.75*1.49*1.57inNet weight: 386gPassword setting: at least three-digit password can be set, up to 9 digitsScope of Application: Key Storage and Management in Homes, Offices, Gyms, Factories, Construction Sites, and So on Package Included:1x Wall Mount Key Box Combination Lock1x Accessories1x User manual