This door knob supports fingerprint, App, and mechanical key unlocking methods. The App allows up to 100 fingerprints, unlock records, and various lock modes. It can be charged via Type-C when the 4 AAA batteries are depleted. The price drops from $65.99 to $29.99 when you clip the 30% off coupon on the product page and apply the code "6TUAQ4SW" at checkout. Shipping is free.

Clip the 30% off coupon on the product page and apply the code "6TUAQ4SW" at checkout.