1. The battery in the safe should generally use AAA high-quality non-leakage alkaline batteries. Pay attention to the positive and negative polarity of the battery when placing the battery, and place it according to the positive and negative polarity marks on the battery box. If the safe is not used for a long time or the safe is used for a long time with external batteries, the battery should be taken out of the battery box.
　　2. Let the safe be used indoors at room temperature. Safes in a humid and corrosive gas environment, or under strong sunlight and ultraviolet rays, will cause the surface paint to crack, discolor, discolor and age plastic parts, rust and oxidize the surface, and unstable performance of electronic components. Easy to cause malfunction. Therefore, in order to better maintain the safe, the safe should be placed in a room at room temperature to ensure its normal use.
　　3. If there are stains on the surface of the safe, it cannot be scrubbed with chemical solvents. Use a clean cloth with a little detergent to scrub. If the surface of the safe is scrubbed with a corrosive chemical solvent, it is easy to cause the surface paint to crack, discolor, oxidize and rust. Therefore, when cleaning the safe, pay attention to using a clean rag and a little detergent. Scrub to ensure that it is not corroded, and you should also pay attention to not let the safe get corrosive liquid or place it in a corrosive gas environment.
　　①When turning the mechanical code lock, you need to calmly turn it slowly. Don't turn it vigorously. At the same time, remember the direction and number of times.
　　②The best way to set the password is when the safe door is open. After the password is set, you should enter the new password for several operations and confirm that it is correct before you can lock the door.
　　③Do not lock the manual and emergency key into the safe.
　　④When using the alarm, do not arbitrarily adjust the internal switches and electronic components. If the sound becomes smaller, it indicates that the battery is exhausted. Replace it in emergency. If a false alarm occurs, the sensitivity can be appropriately lowered.
　　⑤In order to ensure the reliable fixing of the safe, the cone pin in the expansion nut must be hammered until the nut expands. The nut is sufficiently strong in the wall hole.
　　⑥ The safe must be fastened to the concrete wall.
　　⑦When the external battery is used for a long time, the battery should be taken out of the battery box.
　　 Safes are becoming more and more important in modern families. It can prevent theft very well, and can also be used as a kind of furniture to decorate the home environment. In order for the safe at home to survive better, it is also necessary to clean and maintain it.