Features: 
* Made of aluminum and zinc alloy, which can protect the box from hammering, sawing or prying. 
* It has an adjustable combinations lock with 4 digits. Offer 10000 combinations.
* It has large internal space, you can put more than 3 keys inside, it also depends on the key size.
* Equipped with a installation kit, you can mount it on the wall. Waterproof and dustproof cover, freet to use outdoors.
* Ideal for storage house keys, car keys when you are out fo work or vacations. Suitable for home, office, B&B, decoration site, etc. 

Specification:
Model Number: MH901
Material: Aluminum Alloy + Zinc Alloy
Internal Space Size: 90*65*35mm/3.54*2.55*1.37in
Item Size: 115*90*40mm/4.52*3.54*1.57in
Item Weight: 470g/16.57oz
Package Size: 13*10*5cm/5.11*3.93*1.96in
Package Weight: 570g/20.1oz

Package List:
1* Key Storage Lock Box 
1* Installation Kit
1* User Manual