Features: Energy saving and eco-friendly: Four AA alkaline batteries can last for over 10 months of normal use. Easy installation: Simply drill a 12mm through-hole and secure with screws on the panel and lock. Widely used in cabinets, lockers, office cabinets, drawer cabinets, sauna cabinets, mobile cabinets, storage cabinets, etc. Freely switchable function: Set a temporary or permanent password. The function can be switched on the lock itself. Made of high-quality zinc alloy material, robust, eco-friendly, durable, and safe to use. Compact design, exquisite workmanship, and elegant appearance. Various sound and light signals indicate incorrect password, correct password, and low power. Specifications: Type: Intelligent Cabinet Lock Power: Four AA Alkaline Batteries Material: Zinc Alloy, Plastic Application: Swimming, Sauna, Course Cabinets Size: Approx. 8.5 x 5.5 x 1.8 cm (panel); Approx. 11.8 x 4.5 x 3.0 cm (lock) Package Weight: 166 g How to change your password: 1. Press the green button twice until the yellow light flashes, then enter your old password. 2. Press the green button to confirm. 3. Enter your new password. 4. Press the green button to confirm. 5. A green light flashes once, followed by two beeps, indicating the new user password has been changed. Notes: Each lock has a corresponding lock number (SN) starting with a letter behind the numbers, do not tear it off! Lock Operation: 1. Enter your new 4-10 digit password (if there is no change, use the factory code "1111"), then press the "C" or "Please" key to unlock. 2. Password correct: green light; Password incorrect: yellow lights flash. 3. When the green light is on, pull outwards to open the door. "Please" key is for password confirmation, "C" key is to clear the input. Package List: 1 set x Digital Electronic Password Cabinet Code Lock (battery not included) 1 x Instruction