Enhance your security with this robust Mechanical Password Door Lock, designed for ease of use and reliable protection. Featuring a customizable password length from 1 to 11 digits, this lock allows keyless entry, making access both simple and secure. Crafted from durable zinc alloy material, it offers high hardness, excellent rust resistance, and long-lasting reliability for both indoor and outdoor applications. Key Features: · Mechanical Password Lock: Set a password between 1 to 11 digits for secure, keyless access without the hassle of carrying keys. · Waterproof and Battery-Free: Fully mechanical design requires no batteries or wired power, ensuring constant operation and durability in various weather conditions. · Durable Zinc Alloy Construction: Made with high-quality zinc alloy that provides superior hardness, corrosion resistance, and reliable performance over time. · Quiet and Sturdy Installation: Equipped with a robust fixing bolt for easy installation, minimizing noise and ensuring a stable locking mechanism. · Versatile Application: Ideal for securing home gates, offices, parking lots, apartments, and other doors requiring strong anti-theft protection. Specifications: · Material: Zinc Alloy · Password Length: 1–11 Digits · Applicable Environment: Waterproof, High Temperature Resistant · Applicable Door Type: Indoor and Outdoor Doors · Door Thickness Compatibility: 30–60mm (1.18–2.36 inches) · Product Size: Approx. 142 x 42 x 25mm (5.6 x 1.7 x 1.0 inches) · Rubber Sealing Size: Approx. 148 x 50mm (5.8 x 2.0 inches) · Rubber Sealing Hole Diameter: Approx. 10mm (0.4 inches) · Distance Between Rubber Sealing Hole Center and Hole Center: Approx. 130mm (5.1 inches) · Bolt Size 1: Approx. 87 x 60 x 67mm (3.4 x 2.4 x 2.6 inches) · Bolt Size 2: Approx. 27 x 25 x 15mm (1.1 x 1.0 x 0.6 inches) · Weight: Approx. 1415g (49.9oz) Package Includes: · 1 x Mechanical Password Door Lock This mechanical password lock delivers dependable security with weatherproof functionality and effortless keyless access. Its durable zinc alloy construction and simple installation make it a perfect solution for enhancing safety at various entry points while providing a quiet and sturdy locking experience.