Feature:1. Multiple Unlocking Methods: This fingerprint drawer lock offers multiple unlocking methods, either via fingerprint or Bluetooth app, and an additional metal USB key as a backup plan in case of lock failure. Setting up the fingerprint and passcode is very easy, instructions are provided in the user guide, no cell phone or app is required.2. Easy To Install: This electric cabinet fingerprint lock works on single door wood cabinets that are 0.47 to 0.62 inches thick. If the thickness is less than this size, just install it with thinner screws.3. Excellent ABS Material: This keyless drawer furniture lock is made of excellent ABS material, which is sturdy and abrasion resistant, not easy to be damaged, and has a long service life, which can guard your belongings more securely.4. Emergency Backup Power: This fingerprint cabinet lock uses 3 AAA batteries (not included) as its only power source, and the batteries will last up to 1 year before being replaced. There is a USB port on the side of the keypad that can be used as an emergency power source in case the batteries suddenly run out.5. Multifunctional: This smart fingerprint cabinet lock supports 20 fingerprints and 1 emergency USB flash drive, records time and number of times you unlocked the door, you can see who opened the door and when you opened it in the app so you don't have to worry about it.Specification:Item Type: Drawer Fingerprint LockMaterial: ABSUse: Drawer Fingerprint LockBattery: Approx. 3 x AAA Batteries (Not Included)Weight: Approx. 120.00g / 4.23oz.Package List:1 x Fingerprint Lock1 x Battery Box4 x Accessories1 x Manual10 x Screws