The smart door lock with knob provides 3 unlocking methods, fingerprint unlocking, APP control and spare key, making it the perfect keyless entry door lock. The fingerprint door handle supports application control, easy access to fingerprint management, check operation records, access mode, privacy mode (), helping you create a smarter and more convenient life. The fingerprint door handle can be easily installed with a screwdriver in a few minutes, suitable for most American doors, and easy to replace existing door locks Use semiconductor fingerprint password to protect your home, providing 3 modes to switch to meet your needs Adaptable and versatile, perfect for home, office, hotel, apartment, garage, a versatile choice for every home<br><br>Colour:Black Material:Metal<br><br>Package Contents: 1 * Lock 1 * Key 1 * Screw bag 1 * Charging cable<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.