Keyless Security: This combination door lock provides convenient keyless security, there are 10,000 possible combinations, you can change the combination at any time if you worry about password leakage , so there is no need to bother with keys.Strong and durable: This combination lock is made of a zinc alloy lock body and a solid lock cylinder that can withstand to harsh weather conditions and violent damage.The combination locks have an anti-rust coating which provides strong corrosion resistance.Easy Installation: This password lock is easy to install, can reset any standard lever lock and can be programmed in non-resettable mode.Widely Used: Combination door lock for school or home lockers, sheds, cabinets, window tracks, bedrooms, wine cellars, wooden garden doors, garages and barn doors, etc. This digital combination lock is a practical product that truly brings you peace of mind.Details: Material: zinc alloy. Color: black (your choice). Kind : A: 2-hole screw installation. Application: door/cabinet door/refrigerator/freezer door. Box contents: 1 set of cabinet password lock (with screws). Noticed : 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Due to manual measurement, the sizes shown may vary slightly. Color: Silver and Black (Optional) Kind : A: Three-hole adhesive and screw installation