??About this item??【Increased Security】This re-codable combination lock adds a 4-digit combination to standard door deadbolt locks, giving you up to 10,000 possible passwords. rter, which significantly improves your security and privacy. The default password is 0-0-0-0, no key required, no worries about losing the key covered with waterproof coating, which protects the lock from rust and weather, improves wear resistance and hardness and pick-up Provides resistance and durability. The handle is also made of solid steel, which is not easy to break and not easy to loosen.??【2 Installation Methods】Our combination slide lock supports 2 installation methods, vertical and horizontal. The push bolt lock kit comes with a lock housing for horizontal use and a metal door loop for vertical use.(Note: The deadbolt must be aligned with the lock housing or door loop)??【Easy to Install】Comes with 6 tamper screws, Slide lock installs on your door frame with an electric screwdriver and drill and tighten the screws after adjusting with the lock housing. Only need a few minutes to install, simple and quick. (Note: One-way screws cannot be removed after installation, and the installation position must be confirmed before installation!)??【Suitable for indoor and outdoor use】. With a size of 120 x 45 x 25 mm, the combination lock can be easily mounted and installed in the tightest spaces. The combination lock is perfect for universal use including school or home locks, sheds, cabinets, storage areas, garden gates, farmhouses, cabinets, wine cellars and anywhere. where you want to maintain security and privacy. ?? Show more details