Fingerprint Door Entry Lock, Biometric Sensor Key Available Smart Lock with Fingerprint, Mechanical Key, Suitable for 35mm-50mm Thickness Wooden Door, Supports Passage Mode

Smart Lock for Doors: Supports 3 unlocking methods including fingerprint, mechanical key, and for Tuya APP connection. You can also enable a passage mode, which lets kids and the elderly come and go without restriction.
Biometric Fingerprint Sensor: Built in biometric fingerprint sensor prevents replication, with recognition time less than 0.5 seconds and high accuracy. Suitable for ages 4-80, capable of storing up to 50 fingerprints.
Low Battery Alert: Operates on 4 AA batteries lasting about 6-8 months. (batteries not included) When battery is low, the lock will alarm for replacement. Use a power bank for emergency power when the lock's batteries run out. (Note: This interface is only used for emergency charging, the battery cannot be charged, and the battery needs to be replaced in time.)
Remote Control: Smart door entry lock manages with for Tuya for Smartlife APP, unlock the door with your phone anytime, anywhere within range, and check access records.
Easy Installation: Fits most doors, quick installation in minutes. Fits doors between 35mm-50mm thickness. Check your door size before purchase. Adjustable opening direction, universal for left and right doors.