Digital Mechanical Code Lock, Indoor Outdoor Waterproof Password Door Lock with Screw, Zinc Alloy Security Code Lock for Home/Hotel/Office

• Easy to Operate: This is a mechanical password lock that requires no power supply, key, or card. You can unlock it by simply entering your push-button code. You can also change your code whenever you like, making it a convenient and flexible option for securing your home
• DIY Password Combination: The passwords of this door lock can consist of 3-4 digits. You can freely organize and combine your passwords according to the manual. The combination of passwords is very diverse and safer than traditional door locks
• Waterproof Zinc Alloy Material: The lock case is made of zinc alloy, which is waterproof. And after special treatment, hard casting and its chrome surface with exquisite craftsmanship and durability. More effective against damage
• Easy Installation: This mechanical code door lock set comes with all the fixtures and fittings you would need including tubular latch, fixing screws and black neoprene seal - making it simple to install on both left and right-handed doors
• Widely Use: This door lock system is suitable for a range of settings, including homes, offices, hotels, apartments, restaurants, and dormitories. It's also suitable for both indoor and outdoor doors, providing a versatile and reliable security solution

Features: 1. Alloy lock case, the overall lock case is a alloy, which is waterproof. 2. After special cold treatment, hard casting. 3. The surface is chrome-plated, with exquisite craftsmanship and durability. 4. More effective against violent damage. 5. Suitable for interior and exterior doors. C Button: ◆ The C button is the reset button. ◆ When the password is incorrectly pressed, press the C button and then enter the correct password to unlock normally. ◆ In addition to the C key, everything else can be set as a password Change 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 spoil many small parts inside. 3. See 3 red numbers, 6 blue regulars and 1 C. 4. Press the C button to move the internal locking part, 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 tightening, check it repeatedly. Change the password button to yours and you can unlock it Specification: Panel Material: Zinc Alloy Password length: 3 to 4 digits Applicable door thickness: 30-65mm Applicable type: interior, outdoor door. Features: waterproof, no battery Locking tab spacing: standard 60 mm Locking size: approx. 107 x 43 x 20 mm/4.2 x 1.7 x 0.8 inches. Package list: 1 x Lock case 1 x Back Plate 2 x Seals 1 x Latch 3 x Fixing bolts 1 x Tweesers 1 x Latch support post 4 x Screws 1 x Striker plate 2 x Code tumblers 1 x Code card 1 x Manual Note: Passwords are not in order, numbers cannot be repeated, refer to the manual.