Mechanical Code Lock, 2-4 Digits Mini Mechanical Code Lock Cabinet Indoor Outdoor Door Password Security Coded Lock for Garage/Hotel/Office/Studio/Warehouse

• After special processing on cold rails, hard casting.
• High quality alloy locking case, the general locking box is a high quality alloy, which is waterproof.
• The is chrome plated, with exquisite craftsmanship and durability.
• More effective against violent damage.
• Suitable for interior and exterior doors.

Specification : Product model: 38D Panel material: zinc alloy Password length: 2-4 digits Applicable door thickness: 10-60 mm. Applicable type: interior and exterior door. Features: waterproof, no battery Distance between centre of locking lug: 60mm standard Lock size: approximately 107 x 43 x 20 mm/4.2 x 1.7 x 0.8 inches. Package List: 1 * Mechanical Lock Set 1 x English manual. 2 x installation package. Note: Passwords are not in order, numbers cannot be repeated, please refer to the manual. Change the password: 1. Remove the 4 red screws from the back panel of the exterior door keyboard. 2. Open the back panel and be careful not to manipulate many small parts of the interior. 3. See 3 red numbers, 6 regular blue and 1C. 4. Press the C button to move the internal locking piece, but do not move the C piece. 6. Pay attention to the different features 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 pressing, check it repeatedly.Edit the password button according to yours and you can unlock it smoothly and confirm success. 8. Please note that there are spare locks on the accessories, you can change the amount of passwords to 2 to 4