KNOBWELL Fingerprint Door Knob, Smart Door Knob with APP Control, Satin Nickel Keyless Entry Door Lock

WELCOME TO KNOBWELL:KNOBWELL has been specializing in door hardware for 10 years. With professional manufacturing lines and robust quality control system. We can provide high-quality products and a satisfied shopping experience for our customers. Products Outstanding Functions:1. Diversified Unlock Permissions, grant specific permissions according to usage scenarios.2. Automatic Locking3. Adjustable Lock Sound4. Monitor Activity Remotely5. Manage Access Real Time6. Anti-peep Passcode7. System Locked Automatically for Security8. Secure Lock, press the Secure Lock Button for 3 seconds to activate Secure Mode.9. Unlock your Smart Lock using a portable battery when it is out of power.10. Low Battery Warning11. With an IP65 waterproof rating, Smart Lock built to withstand low and high temperature (-4°F～158°F)