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 cabinets and tool boxes. Keep your belongings secure with this easy-to-use combination safety lock.Product Name: Keyless Cabinet Lock B: 30mm - Aperture 19mm, suitable for cabinet thickness under 25mm Finish: Matte Chrome Plating Ultra-long battery life: lasts 7-10 months or more than 3,000 unlock cycles Instructions: 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 (example: change factory password to "123123"): Enter the factory user password "1234+OK" or the factory management password "4321+OK"; the buzzer sounds a long beep and the light stays on. Press and hold the "OK" button for over 2 seconds until the light flashes. Enter the new password "123123+OK" to complete the change. 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: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.