DEWIN Code Lock, Combination Keypad Door Lock, 2-4 Digits Mini Mechanical Code Lock Cabinet Indoor Outdoor Door Password Security Coded Lock

• 【High-Quality Alloy Material】: The overall lock shell of this anti-theft door lock is made of high-quality alloy lock shell, waterproof and rust-proof, chrome-plated surface, exquisite workmanship and durable.
• 【Keyless Entry】: This keyless entry door lock has a 2-4 digit (no repetition) password length to ensure home security. You no longer need to carry a key, and you can easily unlock it by entering the password, and experience the freedom of keyless convenience.
• 【Safe and Durable】: The digital door combination lock is processed through a special cold rail process and hard cast, making it more effective in resisting violent damage.
• 【Easy to Install】: This combination door lock does not require keys or cards, and does not require batteries, it is very easy to use and install, and the installation instruction is included in the package.
• 【Wide Application】: The digital door combination lock is compatible with indoor and outdoor doors, meeting your diverse needs. It is suitable for professional commercial office buildings, vacation rentals or primary residences, as well as apartment gates, car parks, storage areas or security access areas.

Specification: Product model: 38D Panel material: zinc alloy Password length: 2-4 digits Applicable door thickness: 10-60mm Applicable type: indoor, outdoor door Features: waterproof, no battery Center distance of the lock tongue: standard 60mm Lock Size: about 107 * 43 * 20mm / 4. 2 * 1. 7 * 0.8in Package list: 1 * Mechanical lock set 1 * English manual 2 * Installation package Note: The passwords are not in order, the numbers cannot be repeated, refer to the manual. Change the Password: 1. Remove the 4 red screws from the rear panel of the outer door keyboard. 2. Open the back panel and be careful not to tamper with many small parts inside. 3. See 3 red ciphers, 6 blue regulars and 1 C. 4. Press the C button to move the internal lock piece, but do not move the C piece. 6. Pay attention to the different characteristics of the red and blue locking tabs and insert them into the slots. 7. After placing it, cover the back panel after correcting it. After tightening, check it repeatedly. Edit the password button according to your own, and you can unlock it smoothly and confirm the success. 8. Please pay attention to that there are spare locks in the accessories, you can change the number of passwords to 2 to 4.