This Electronic Cabinet Lock Kit Set is used for cabinet, drawer, locker, storage box and etc. for household or business: supermarket, sauna club, gym, swimming stadiums, library, factory and office. It can provide good safety protection of your personal items while protecting your privacy. It also can improve children's safety , avoid your children or kids free to open the drawers or cabinet doors. Use ID card to touch outside of cabinet, it lock flick and open the door(Note: the tag only can be used for Max.2.5cm thick door, the ID card can be used for Max.4.5cm thick door). Two Unlock Modes: Use card to unlock(this is perfect to use ); User card + Management card to unlock(this is perfect to use at business, such as hotel, massage etc). About the battery, when the card is touched, if there is a long beep after unlocking, it means that the battery voltage is insufficient. At this time, the lock can be used about 50 times. Please replace the battery in time., Weight: 0.38250202457 pounds, Manufacturer: puhae