Sutinna Digital Code Lock, Mechanical Door Lock Digital Code Lock Keyless Entry Security Deadbolt Door Lock Password Waterproof Deadbolt Keypad

• 【Mechanical Door Lock】 The digital code door lock is a reliable mechanical lock and it does not need batteries so you don't have to worry about security risks such as low battery. It can be used continuously for a very long time.
• 【Keyless Entry】This security deadbolt door lock is a digital code lock, does not require a key. Keyless entry means you no longer need to carry the keys, very easy to unlock by entering a password, enjoy the freedom of keyless convenience.
• 【DIY Password Combination】 The passwords of this door lock can consist of 2-4 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 high quality alloy lock case is made of high quality zinc alloy, which is waterproof. And after special cold rail treatment, hard casting and its chrome surface with exquisite craftsmanship and durability. More effective against violent damage. Suitable for interior and exterior doors.
• 【After-Sales Service】If there are any use or unsatisfactory problems with our products, please feel free to contact us, our professional customer service team will consult the problems sincerely. Thank you for buying from us.

Features: 1. High quality alloy lock case, the overall lock case is a high-quality 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. Spec: Product model: 38D Panel Material: Zinc Alloy Password length: 2 to 4 digits Applicable door thickness: 10-60mm 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 mechanical lock set. 1 x English manual. 2 x installation packs. Note: Passwords are not in order, numbers cannot be repeated, refer to the manual. 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