The password cannot be reset, which can avoid trouble caused by incorrect password setting. No need for keys, going out without burden, convenient in use. Tips: Each lock is preset with 5 digital codes randomly and cannot be modified. And each lock code is unique, so you must remenber its number password, because it cannot be changed. Durable material: This padlock is constructed with a high strength zinc alloy body, stainless-steel cover and hardened steel shackle. It's more strength and security, cut resistance, anti rust. Wide range of uses: Suitable for outdoor and indoor use. It's good choice for gym lockers, school lockers, employee lockers, lockers, pantry, tool boxes, door buckles, garages, sheds, fences and so on. Package Included: 1 x 10-Digit Push Button Combination Padlock. Special featureDurable Lock typeKey Lock, Electronic Lock MaterialStainless Steel, ZincProducts from KJ's store