This high-quality keyless electronic cabinet lock features touch button technology and allows for convenient and quick battery replacement. With the ability to offer numerous key combinations, it is ideal for use in 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: Can last 710 months and supports over 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. Lock: Turn back to lock. 2. User Settings Change Password (e.g., change factory password to "123123"): 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. Press and hold the "OK" button for more than 2 seconds until the light starts flashing. Enter the new password "123123+OK" to complete the change successfully. Powered by 4 AA batteries (batteries not included) Color: Black Material: Zinc Alloy Package Contents: 1 x Keyless Cabinet Lock 1 x English Manual Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the photo and the actual product. Measurement error allowance is +/- 13 cm.