Features: The size of this key combination lock key box is about 145x105x55mm, which is enough space to provide amples and highly secure internal storage space for your valuables. 2 ways to unlock: Password Unlock; Bluetooth-compatible Unlock Wall mount design for permanent installation. Crafted from aluminium is more secure and firm, and can effectively resist violent damage; And effective rain, waterproof, can be apply to more outdoor environment. This key combination lock key box can be used indoors and outdoors, is suitable for storing key, cards, and jewelry, and suitable for fitness enthusiasts, travel enthusiasts, rental owners, caregivers,etc. Specifications: Material:Aluminium Type:Fingerprint Key Box,Password Key Box Black,Password Key Box Orange Size:Approx.145mm/5.71''x105mm/4.13''x55mm/2.17'' Package Includes: 1Piece Key Lock Box note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.