Stylrtop Universal Fingerprint Door Knob with Handle Keypad, Keyless Entry Childproof, Information Security Without Network, Smart Lock for Bedroom

Stylrtop Universal Fingerprint Door Knob with Handle Keypad, Keyless Entry Childproof, Information Security Without Network, Smart Lock for Bedroom

This is an indoor Knob fingerprint password lock with a handle, providing three unlocking methods: fingerprint unlocking, password unlocking, and mechanical key unlocking 【Keyless & Secure Entry Solution for Interior】 - Keeping your room private when living with roommates or family members.and avoid children entering potentially dangerous rooms such as wine cellars, workshops, and rooms with weapons. no network required, no cloud, personal information stored on local encryption chips and cannot be exported, fingerprints unlocking only support of Living humens, simulated fingerprints will be invalid. Compatible with most US standard doors: door thickness:(1⅜’’/35mm to 2 ⅛ ''/55mm), Backset: (2⅜’’/60 mm or 2 ¾’’/ 70 mm), Cross Bore diameter: 2 ⅛ ''/54mm. 【Guarantee 】No hidden charges . 1-year money back guarantee and lifetime customer support following the date of purchase.Please feel free to contact the seller Stylrtop at any time. Even if you are not a DIY expert, you can complete the installation excellently in 10-15 minutes. Compatibility Compatible with most US standard doors: -Door thickness:(1⅜’’/35mm to 2 ⅛ ''/55mm) -Backset(Please refer to the sixth product image): (2⅜’’/60 mm or 2 ¾’’/ 70 mm) -Cross Bore diameter(Please refer to the sixth product image): 2 ⅛ ''/54mm. No hidden charges or long-term costs.  Application: Interior doors, such as bedrooms, wine cellars, workshops, offices