Product Description Metal-Body Mechanical Lock With a fully mechanical keypad, all-metal construction, and multiple convenient modes, the mechanical keyless entry door lock delivers reliable everyday security without wiring, apps, or maintenance. Designed for both indoor and outdoor use, it provides smooth operation and long-lasting performance. Fully Mechanical Password Lock This mechanical keyless entry door lock is a power-free locking solution designed for consistent performance in homes, rentals, and outdoor gates. It works entirely through precision mechanical components—no batteries to replace, no wiring to maintain. Fits a Wide Range of Door Types This mechanical keyless door lock is compatible with metal fence doors, wooden doors, and a range of standard door thicknesses. It includes multiple shafts and screws to accommodate different installation needs. Smartly Designed for Daily Use Built-in mechanisms allow seamless transitions between secure mode and passage mode. Code changes are done directly on the panel, saving time and avoiding disassembly. Our mechanical lock is ideal for guest access or rental management. Built to Last for Long-Term Outdoor Use Made from solid zinc alloy with rust-proof coatings, this mechanical door lock withstands rain, heat, humidity, and daily operation. It is suitable for outdoor gates, yard doors, and any entry exposed to the elements. Easy Installation No electrical wiring or complicated debugging is needed. Our mechanical keypad door lock fits most standard door types and can be independently installed by individuals, saving time and effort. Solid Metal Construction Crafted with reinforced metal components, this keyless mechanical combination door lock provides strong impact resistance and long-term structural stability for reliable protection against everyday wear. Specifications Item Model Number: OL-601D3-01 Color: Black Code Digits: 4-7 Digit Combination (Numbers & X/Z, No Repeats) Suitable Door Thickness: 1.4" -2.5" / 35-65 mm Main Material: Zinc Alloy Unit Weight: 3 lbs / 1.36 kg Package Content 1 x Mechanical Keyless Entry Door Lock 1 x User Manual