Premium Material: The main components of the smart cabinet lock kit are made of premium ABS material, which has excellent durability and corrosion resistance. This means that this NFC lock can maintain stable performance even in humid environments and protect your home from long term 2 Unlocking MethodsOur cabinet lock provides 2 unlocking methods to meet different needs. The hidden lock package includes easy unlocking of cabinets with the provided white card or by wearing the key ring on the keychain. Hidden Installation: When installing our hole-free lock, you only need to stick the two parts of the lock body on the cabinet without drilling holes or using complicated tools. Note that before installing the drawer, you need to make sure that the top is integrated and the height is greater than 30mm. Please confirm this before purchasing. Battery Operated: The cabinet lock is powered by 4 AAA batteries (not included). It will unlock automatically when the battery is empty. You don't have to worry about forgetting to replace the battery. Please be careful not to forget to insert the battery when installing Smart Lock. It can be locked if the cabinet lock is not inserted battery. Usage scenarios: The smart lock is suitable for use in apartments, factories, supermarkets, libraries and offices. It can be used in cabinets, drawers, lockers, closet doors, etc. The smart lock ensures maximum security of items in your cabinets. Only you and authorized users have access to cabinets. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store