LOCK BOX APPLICATION: For indoor and outdoor use; wall mounted key safe is best used for key and access card storage; great internal cavity allows secure storage for multiple keys EASE OF USE: Resettable push-button combination for keyless convenience, set and reset your combination allowing thousands of personalized combination code options. BUILT TO LAST: Lockable key storage designed for installation to a wall or other fixed object; metal body construction for durability and shutter door to protect combination dials from weather IDEAL FOR SET OF KEYS: Exterior dimensions (H x W x D) 11,7 x 7,9 x 5,2 cm ; Interior dimensions (H x W x D) 8,5 x 6,1 x 1,5 cm. Simple installation (Mounting Kit included) EASY TO SECURE AND SHARE YOUR KEYS: Great solution for AirBNB and home rental. Gives easy access to care takers and home workers. Ideal to share keys with your family or roomates