Smart Fingerprint Door Knob with Lock Biometric Door Lock with App Control Key for Bedroom Front Door Home Apartment Office

Hign-concerned Chemical : None Keys Included : Yes Fit Door Thickness : 35-50mm Application : Exterior Door Surface Finishing : Electroplated Material : Aluminum Alloy Model Number : smart door knob Style : Knob Locks Unlock Mode : FINGERPRINT Lock Type : Electronic Lock Origin : Mainland China Certification : CE smart knob lock : smart door handle lock room door lock fingerprint : wireless electronic door locks fingerprint door handle for bedroom : electronic door handle lock bedroom door lock with fingerprint : door handle with smart lock smart door locks for office : smart lock for home Fingerprint+key+normally open+private+graffiti Bluetooth+silver