Packing list: 1 x Padlock, size: 40x44mm The password cannot be reset, which can avoid problems caused by incorrect password settings. No keys needed, no charge for exit, easy to use. Tip: Each lock is preset with 5 random number codes that cannot be changed. Each Lock Code is unique, so you must remember its password number, as it cannot be changed. Durable Materials: This padlock features a zinc alloy body to high resistance, a stainless steel lid and a hardened steel handle. It is stronger, safer, cut resistant and rust resistant. Wide Usage: Suitable for outdoor and indoor use. It is a good choice for gym lockers, school lockers, staff lockers, lockers, pantries, tool boxes, door rings, garages, sheds, fences, etc.