Place of Origin
Guangdong, China
Door Thickness Request
35mm-55mm
Mobile phone version
Android 4.3 +/ IOS 7.0+ system
Other features
send reote keys/ passwords to guests
Unlock method
tuya APP, fingerprint, password, Mechanical key
Working Voltage
4 pcs 1.5V LR6 alialine batteries
Lower Voltage Warning
less than 4.8V(50 times at least)
Product Name
electronic smart qr code door lock