Enhance the security and convenience of your doors with this Keyless Mechanical Door Lock featuring a user-friendly password keyboard. Crafted from high-quality zinc alloy, this durable and robust lock ensures enhanced safety without the need for traditional keys. Ideal for both indoor and outdoor use, it is perfectly suited for office doors, interior doors, rental properties, composite doors, and any location where keyless entry is preferred. Key Features: · **Durable Zinc Alloy Construction:** Made from premium zinc alloy material, providing long-lasting strength and resistance against wear and tear. · **Keyless Password Access:** Users can set a secure 4 to 7-digit password without any repeating digits, eliminating the need for physical keys and enhancing access control. · **Simple Password Reset:** The C button functions as the reset key; if a wrong password is entered, press C before re-entering to ensure smooth operation. · **Sensitive and Responsive Keys:** The password keyboard is designed for easy and quick input, improving user experience and reducing errors. · **Waterproof and Battery-Free:** This mechanical design requires no batteries and includes waterproof features, ensuring reliable performance in various environments. · **Easy Installation:** Comes complete with a screw pack and a detailed English manual, allowing for hassle-free and straightforward installation. · **Wide Compatibility:** Suitable for doors with a thickness between 30mm and 60mm (1.2-2.4 inches) and designed to fit standard bolt center distances of 60mm (2.4 inches). Specifications: · Item Type: Smart Door Lock · Panel Material: Zinc Alloy · Password Length: 4-7 Digits (no repeated digits allowed) · Applicable Door Thickness: Approx. 30-60mm / 1.2-2.4in · Applicable Door Type: Indoor and Outdoor Doors · Features: Waterproof, No Battery Required · Bolts Center Distance: Standard 60mm / 2.4in Package Includes: · 1 x Keyless Mechanical Door Lock · Screw Pack · English Installation Manual This keyless mechanical door lock offers a reliable, secure, and key-free solution for managing door access with ease. Its robust zinc alloy build, waterproof design, and battery-free operation make it a practical and dependable choice for various door types and environments. Upgrade your door security with this innovative and convenient smart lock today.