1、Energy saving and environmental protection. The four section seven alkaline battery can be used normally for more than 10 months. 2、Installation is simple: Just need to open a 12 mm through hole, and then screw four screws on the panel and three screws on the lock. 3、Function can be switched freely, temporary password or fixed password can be set. Function can be switched on the lock by itself. 4、Made of high quality Zinc alloy material, sturdy and eco‑friendly, durable and safe to use. 5、There are different sounds and lighting hints for incorrect password, correct password and insufficient power. Features: Energy saving and environmental protection. The four section seven alkaline battery can be used normally for more than 10 months. Installation is simple: Just need to open a 12 mm through hole, and then screw four screws on the panel  and three screws on the lock. Widely used in lockers, lockers, office cabinets, drawer cabinets, sauna cabinets, mobile cabinets, storage cabinets, etc. Function can be switched freely, temporary password or fixed password can be set. Function can be switched on the lock by itself. Made of high quality Zinc alloy material, sturdy and eco-friendly, durable and safe to use. Compact design, exquisite workmanship and elegant appearance. There are different sounds and lighting hints for incorrect password, correct password and insufficient power. Specifications: Type: Intelligent Cabinet Lock Power: Seven Alkaline Battery Material: Zinc alloy, Plastic Application: Swimming, Sauna, Course cabinet Size: Approx. 8.5 x 5.5 x 1.8cm/3.3 x 2.2 x 0.7in(Panel);           Approx. 11.8 x 4.5 x 3.0cm/4.6 x 1.8 x 1.2in (Lock) Package Weight: 166g/5.9oz How to change your password: 1. Press twice the green button until the yellow light flash, 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. Green light flash one time,after beep twice, showing the new user password changed successfully. Notes: Each lock has a corresponding lock number, (SN) beginning with the letter behind the numbers, do not tear! The lock: 1. Enter your new password set 4-10 ( if there is no change, please use the factory code "1111"),  in accordance with the "C" or "Please" key to unlock. 2. Password correct green light;Password error yellow lights flashing; 3. When the green light, please pull outward to open the door. "Please" for the password confirmation key, "C" key to clear key. Package List: 1 Set x Digital Electronic Password Cabinet Code Locks (Battery Not Included) 1 x Instruction