Fangrui Product Details Fingerprint Bluetooth Lock - App And Fingerprint Are The Keys, No Need To Worry About Losing Mechanical Keys And Forgetting Passwords. The Fingerprint Lock Supports 20 Fingerprints And 1 Administrator + 500 + Ordinary User Accounts, And Can Be Unlocked Quickly In 0.2 Seconds. Remotely Authorize Family, Friends Or Other Users To Unlock Permissions Through The App. The Smart Lock Supports Fingerprint Removal And Unlock Time Recording, Which Is Smart And Safe. High-quality And Durable - Adopting Zinc Alloy Lock Tongue And Lock Body, The Lock Is Sturdy And Durable, Anti-crack And Anti-pry. Unlock With Your Finger Or App, The Cabinet Lock Will Automatically Unlock And Lock, No Manual Rotation Is Required, And It Is Easy To Use. Long Standby Time And Usb-c Charging - The Fingerprint Lock With Battery Indicator Has Low Power Consumption And Long Standby Time. The Security Lock Can Be Used For 6 Months And Can Be Unlocked About 2000 Times After Being Fully Charged. When The Battery Is Out Of Power, Just Connect