Previous page Inherit the classic style, match with advanced fingerprint technology, the first smart door knob! Next page 1 Simple but smart 2 Auto Lock 3 Privacy Mode 4 Passage Mode 3-IN-1 Smart Door Knob One Touch Unlock! Fingerprint Unlock Fast Fingerprint Identification: ＜0.1SFingerprint Storage: 20 PcsLow Rejection Rate:＜0.01% Smart Control, Secure! App Control App unlockSet automatic locking timeCheck unlock recordsManage users' fingerprint Always give you a unlock way! Back-up Keys Each lock is equipped with 2 back-up keys, in case the lock is out of power, the back up keys will help you get the door unlock. Auto-Lock, Free Your Hands Previous page Next page After inserting the key to the keyhole, we can turn the key but can not turn the knob and unlock Please make sure turning the key 90 degrees, holding the key at the same time turning the knob. If not work, please try to turn the key to the left 5-10 degrees and you will hear a little click sound. The knob gives green light but it won't turn. Please charge the lock and ensure the battery level is over 60% and then trying again or unlock with keys. How can I charge the lock and how long will it be fully charged? There is a type-c port on the exterior knob and you can charge it via it, the cord is not included. When charging, the LED will flash red and blue and it is solid blue when fully charging. I can not install the exterior knob through the latch. Please make sure the geektale logo on the exterior knob is upward. After turning to the passage mode, the lock does not keep unlock. Please unlock with fingerprint or the app after turning to the passage mode, and then the lock will keep unlock. We set this step is to avoid the door keeping unlocked accidently. Hot Items Smart Door Knob Add to Cart Smart Deadbolt Add to Cart Fingerprint Deadbolt Add to Cart Smart Deadbolt Add to Cart Smart Door Knob Add to Cart Smart Deadbolt with App Add to Cart Smart Deadbolt with App Add to Cart Customer Reviews 4.2 out of 5 stars 3,342 4.6 out of 5 stars 36 4.6 out of 5 stars 36 4.1 out of 5 stars 550 — 4.4 out of 5 stars 12 3.9 out of 5 stars 54 Price $49.99$49.99 $59.99$59.99 $59.99$59.99 $59.99$59.99 $59.99$59.99 $99.99$99.99 $99.99$99.99 Color Satin Nickel Black Black Black Black Black Black Fingerprint Unlock ✔ ✔ ✔ ✔ ✔ ✔ ✔ App Control ✔ ✔ ✔ ✔ ✔ ✔ ✔ Keypad ✘ ✘ ✘ ✘ ✘ ✔ ✘ Key Unlock ✔ ✔ ✔ ✔ ✔ ✔ ✔ Fingerprint Storage 20 Pcs 50 Pcs 50 Pcs 20 Pcs 50 Pcs 50 Pcs 50 Pcs Volume Switch ✔ ✔ ✔ ✔ ✔ ✔ ✔ App Manage Users ✔ ✔ ✔ ✔ ✔ ✔ ✔ Check Unlock Records ✔ ✔ ✔ ✔ ✔ ✔ ✔