General description This recodable combination lock enhances security by adding a 4-digit combination to ordinary door latch locks, allowing for up to 10,000 possible passwords. This feature significantly improves security and privacy, eliminating the worry of losing a key as no key is needed. The lock is made of high-quality zinc alloy and features a solid steel bolt, ensuring durability and resistance to tampering. Technical specifications Dimensions: 120 x 45 x 25 mm Bolt diameter: 10 mm Material: Zinc alloy and solid steel Installation Supports two installation methods: vertical and horizontal Includes a lock cover for horizontal use and a metal side door buckle for vertical use Comes with 6 anti-tamper screws for secure installation Installation requires a power screwdriver and drill Installation time: a few minutes Note: One-way screws cannot be removed once installed; confirm installation position before proceeding Usage The combination lock is suitable for both indoor and