Power Efficient & Emergency Backup Power This biometric cabinet lock use 3 AAA batteries (batteries not included) as the only power supply, and battery can be used up to 1 year normally before replacement. There is an USB port on the side of the keypad as an emergency power supply just in case that it runs out of battery suddenly.
Sturdy Mechanism & Strong Protection The lock case for this electronic cabinet lock can be upgraded to metal mechanism, which is way more stronger and safer for protecting your belongings. The metal lock case is a fantastic option for weapon storages or any important file saving.
Easy Installation & Warm TipsPlease kindly check the manual before installation. Our fingerprint cabinet lock is suitable for single-door wooden cabinets with a thickness of 0.47 inches to 0.62 inches. If the thickness is smaller than this size, just install it with thinner screws. If the thickness is greater than this size, you can buy longer screws to install. If you have any questions about this item, Don't hesitate to contact us, we will help you immediately