This high-quality keyless electronic cabinet lock features touch button technology and allows for convenient and quick battery replacement. With up to tens of millions of possible key combinations, it is ideal for cabinets and tool boxes. Keep your belongings secure with this easy-to-use combination safety lock. Product Name: Keyless Cabinet Lock B: 30mm – applicable aperture 19mm, suitable for cabinet thickness less than 25mm Finish: Matte chrome plating Ultra-long battery life: lasts 7–10 months or more than 3,000 unlock cycles 1. Unlock/Lock Unlock: Enter the factory user password "1234+OK" or the factory management password "4321+OK"; the buzzer emits a long beep and the light stays on; rotate within 3 seconds to unlock. Lock: Turn back to lock. 2. User Settings Change Password (e.g., change factory password to "123123"): ① Enter the factory user password "1234+OK" or the factory management password "4321+OK"; the buzzer beeps once and the light stays on. ② Press and hold the "OK" button for more than 2 seconds until the light starts flashing. ③ Enter the new password "123123+OK" to complete the change. Powered by 4 AA batteries (not included) Color: Black Material: Zinc Alloy Package Contents: 1 x Keyless Cabinet Lock 1 x English Manual Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement tolerance is +/- 1-3 cm.