1、Wide Application: This electronic combination lock is suitable for various doors installation, including cabinets, toolboxes, drawers, message boxes, office file cabinets, storage lockers, closets, etc. 2、Password Setting: This combination lock can be set with a combination of 4‑15 digits. The original dial is set to 1‑2‑3‑4, and you can set it according to your needs to meet more locking needs. 3、Easy to Install and Use: The mounting hole size is 19 x 15.8mm, and this electronic password lock has a simple structure design, which is convenient to install and does not require screws. 4、Zinc Alloy: This storage cabinet lock is made of excellent zinc alloy material, which has high hardness, oxidation resistance, no deformation, long service life, and is suitable for various environments. 5、Battery Powered: This electronic combination lock is powered by a CR2032 battery (not included), making it convenient to use anytime, anywhere, compact and lightweight, has strong practicability. Item Type: Electronic Password Lock Product Material: Zinc Alloy Battery: 1 x CR2032 Button Cell (not included) Weight: Approx. 153g / 5.4oz Mounting Hole: Approx. 19 x 15.8mm / 0.75 x 0.62in 1 x Lock 1 x Screwdriver 3 x Accessories