VEVOR Mechanical Keyless Entry Door Lock, 14 Key Mechanical Door Lock with Keys, Mechanical Keypad Door Lock with Handle, Stainless Steel Waterproof Keyless Gate Lock, for Home Office Outdoor GarageProduct Features 2nd Generation Mechanical Combination Lock This mechanical keyless entry door lock features a fully mechanical design, making it resistant to tampering without the need for charging or batteries. With easy installation and operation, it provides high security. The second generation allows for simpler password changes, and the adjustable left right handles provide greater flexibility Universal Compatibility for Various Doors This