ELECTRONIC SMART DOOR KNOB WITH DURABLE AND AVANCED SECURITY MULTI-FUNCTIONAL SMART DOOR LOCK 1 Master code 1 Passage code 8 User codes Enter the first digit of the code, then enter any sequence of digits to confuse the observer and enter the balance of the user code. 3s automatic locking safety mechanism, turn the handle to open the door before the beep stops, otherwise the door will be locked automatically. IP65 weatherproof. -4°F-167°F. Strong materials ensure that our combination locks can withstand extreme weather. If you don't need automatic locking, we have a passage mode.When you enter your master password, press * then # in quick succession to enable or disable passage mode. You can unlock it by pressing any key. The button with light makes it easy to operate at night. When unlocking the door will sound a continuous beep, followed by a single beep. Needs change new batteries. Long press *key for 5s, tip voice off./ Long press again *key for 5s tip voice on. HIGH QUALITY UNIQUE SMART DOOR LOCK FOLOHAOS DOOR LOCK IS SUITABLE FOR MULTIPLE SCENARIOS Fingerprint Door Knob-YL-98A-BLACK Smart Door Knob YL-98-SILVER Add to Cart Buying Options Customer Reviews 4.1 out of 5 stars 471 3.6 out of 5 stars 96 Price $39.99$39.99 — no data App Support ✓ no data Fingerprint Unlock ✓ no data Remote Control ✓ no data Mechanical Key Unlock ✓ ✓ 3s Auto Lock ✓ ✓ Silent Mode ✓ ✓ Waterproof ✓ ✓ Door Thickness 1.26in-1.89in 1.26in-1.89in Latch Basket Length 2.36in-2.75in 2.36in-2.75in