Guard Dog Security Biometric Cabinet Lock Black Round Cabinet Knob in the Cabinet Knobs department at Lowes.com
These Cabinets Invisibly Lock and Unlock with Fingerprint Technology | Builder Magazine
Fingerprint Cabinet Drawer Cupboards Door Lock Biometric Electric Lock Built-in Rechargeable Battery - AliExpress
Fingerprint Lock Electronic Cabinet Door Locks, Smart Biometric Hidden File Cabinet Lock Kit Replacement, USB Rechargeable Keyless Furniture Drawer Lock for Cabinets, Suitable for Home & Office Black - Amazon.com