Use this key storage box to keep your keys safe and secure in case you lose them on your travels or someone drop in when you are not at home 4-digit combination offers thousands of passwords. Great durability protects your keys from being damaged by hammer, saw or drill. No need to replace tradition door lock to smart lock, just purchase this key storage box Features: Durability & Large CapacityMade of sturdy aluminum alloy, great durability ensures it won't be opened forcedly. It can store keys, cards and other small items for safe and convenient access. Key SecurityKey storage box brings convenience to yo life, there is no need to carry the keys when going travelling or business trip, avoiding the risk of key loss. Protective Cover & No InstallationDust cover protects the key case from water and dust and prolongs its service life. Padlock design, no need to install, more convenient and humanized. 4-Digit Password4-digit combination provides you with thousands of passwords settable, resettable, super safe to use. Wide ApplicationPerfect for emergency entry for seniors, families, friends, realtors, home healthcare access, vacation homes, construction, trades, and storing spare keys, etc. Note: Big keys may not suitable for this product, to avoid this, please read the size before purchase. Specifications: Color: Grey Material: Aluminum Alloy Whole Size: 246.5 * 85 * 40mm / 9.7 * 3.3 * 1.6in Inner Size: 90 * 65 * 33mm / 3.5 * 2.6 * 1.3in Package Size: 13 * 9.5 * 5cm / 5.1 * 3.7 * 2.0in Package Weight: 550g / 1.21lbs Package List: 1 * Key Storage Box 1 * User Manual (English)