【Reliable Material】Made of zinc alloy, solid, precise, durable. No battery or plug-in, energy saving, safety and environmental protection. No more keys needed, no more missing keys, cool and practical. 【PASSWORD SETTING】Precise, efficient and fast opening. There is only one set of passwords and the numbers are not repeatable. For example, if the password 123456 is set to 231456, it can be opened. 【APPLICATION SCENE】Waterproof and high temperature resistant, suitable for various cabinets, office doors, interior doors, rental doors, composite doors or any other place where keys are not suitable! With screw package and English manual, easy to install. 【CONVERSION HANDLE】The direction of the handle can be changed according to your needs, easy to use. Digital combination lock with 1 to 11 digits. The recommended password is set to 4-6 digits. 【Easy to install】With installation accessories and English manual, easy to install.