Strong & Secure: The safe box is made of reinforced solid steel wall construction. Dual security steel door locking bolts & a corrosion & stain-resistant powder coat finish keep the security box safe. Easy To Access: The drop box safe has a convenient slot "drop-in" cutout window for depositing documents or bills without the need of unlocking. Soft carpet underlay inside to avoid possible scratches on valuables. 2 Ways to Open It: This lockable storage box can be opened in two ways, making it more flexible and convenient to use, one way is override keys + turning knob, and the other is personal code/master code + turning knob. Convenient Installation: Easy to set up with four mounting holes (4 expansion screws included), this portable safe box can be installed on the wall, floor, shelf, cabinet or anywhere you like. Widely Used: It is very suitable for storing valuables at home, such as cash, jewelry, important documents or other valuables. Proposed for use in homes, offices, hotels, etc.