Features: saving and environmental protection. The four section seven alkaline battery can be used normally for more than 10 months. Function can be switched freely, temporary password or fixed password can be set. Function can be switched on the lock by itself. Compact design, exquisite workmanship and elegant appearance. Widely used in lockers, lockers, cabinets, drawer cabinets, sauna cabinets, mobile cabinets, storage cabinets, etc. There are different sounds and lighting hints for incorrect password, correct password and insufficient power., Manufacturer: Littimoon