Specification: Condition: 100% Brand New Color: Sliver + Black Material: Aluminum alloy Size: (L) x (W) x (H) 9 x 17.5 x 4 cm / 3.54" x 6.89" x 1.57" (appr.) Operation method: 1. pull down the black waterproof and dustproof cover; you can see the password wheel and the open button. 2. dial the password to 0-0-0-0 (factory password) press the open button to open the cover 3. after the cover is opened, remove the lock beam 4. insert the lock beam to the right; insert the top of the lock box In the hole; at the same time, push the button inside the box to insert it into the release switch (when the lock beam is removed, also push the button to the right to pull out the lock beam) 5. close the cover; the password can be locked. How to set the password: 1. mark the original password pair; set the button on the reverse side of the lock from A to B. 2. dial the password to turn to the password you need. 3. Re-homing the button (ie, dialing from B to A) The new password is set. (Do not disturb the password immediately after setting the special prompt; first dial the password set under one test is correct) 4. close the lock The box can be locked by dialing the number; 5.close the waterproof dust cover 6. don't forget your password after changing Package Included: 1x Wall Mount Key Storage Security Lock 1x Pack of Fixing Screws 1x English Instruction Durable and Storage: The key storage lock case is made of high-quality zinc alloy, which is waterproof, rust-proof, and cut-resistant, effectively resisting violent damage. Comes with a sliding guard to protect the digital dial from sun, rain, dust and snow. Not easy to crack: Combination lock box provides 10,000 combinations for you to choose the unique combination you want, not easy to be cracked, more reliable. WIide Use: The key storage box is suitable for both outdoor and indoor use. Great key safe for homes, vacation homes, garages, emergency entrances and real estates businesses. Large Capacity: The internal size of the key lock box is 3.54" x 6.89" x 1.57", it can hold up to 5 keys and access cards. When you go out on a trip or business trip, you can put your keys in the safe and don't worry about losing your keys. Easy to Use: The combination of the key storage lockbox can be reset in 4 easy steps. Supplied with 4 screws and 4 nylon expansion plugs, you can mount the key lock box anywhere you like.