Waterproof Mechanical Digital Door Lock Push Button Keyless CodeCombination LockDescription:Compared with the Old Mechanical Lock, this mechanical combination lock is a lock that can be opened without a key. It is easy to install and easy to open. It's Waterproof, Fireproof and Moisture-proof advantages are second to none for Electronic Locks. This lock is small and exquisite, and can also be installed on some cabinet doors, requiring a door thickness of 30-60mm/1.18-2.36". Features: Sufficient number combination: 9 password button combinations, 4 password sheets with additional and you can set 1-5 digits connection. Wide range of applications: American standard single language lock body, can replace the ball lock. Suitable for doors of various materials: wooden door, aluminum door, metal door, iron door, etc. (wooden doors are recommended)Zinc alloy material, solid and Distorted passwords: in other words, the code can be entered in any order, for example, 1234 can be 4321 or 1342 or any order. PVD processing, low maintenance cost: high-end PVD plating, will not fade for ten yearsNo matter left or right: left and right doors can be used, easy to installNormally open mode: this door lock has normally open function. It's set to the rear panel (on the back of the door): press theTongue lock handle to back out into the door. At this time, toggle theSwitch, and the internal structure prevents the lock languageBack to back, that is, the normally open setting is complete. ,No need to enter a password to open the door. Installation Requirements: This door lock is suitable for door thicknesses from 30 to 60mm. If youneed to extend the lock lever, please customer service. You must set up a password before installing the appropriate passwordFor the first generation password lock. It cannot be set after installation. This door lock cannot directly replace the ball lock. You need to open the screw hole on the original door. The handles can be exchanged left and right without any problem opening the door. Unopened wooden doors can be installed normally. Specifications:Size: 107*44*22mm/4.21*1.73*0.87" Weight: 635g Material: Zinc Alloy Lock Latch Size: 60mm/2.36" Door Thickness: 30-60mm/1.18-2.36" Unlock Mode: PasswordMatters Needing Attention: After entering the password, it can be opened by turning the handle. The process of turning the handle is also the process of Internal Door Lock Code, so the door is locked after it is closed. Press the C button (reset button) before each time the door is opened to prevent the button from being pressed. Once you enter your password in a distorted one, it's just a messy order. You cannot enter a number other than a password. Notes:1. There may be slight deviations in size due to manual measurement, different measurement methods and tools.2. The picture may not reflect the actual color of the item due to different light, angle, and shooting monitor. 1 x Door Lock Front Panel1 x Door Lock Back Panel1 x Screw Kit1 x Effective Password Sheet1 x Ineffective Password Sheet1 x User Manual 1.