How to install smart lock M1:
https://www.youtube.com/watch?v=Zn6TPVoYLP4&list=PLeQFzh3LX33-0TwktSh_cjS47iO6oVTr_&index=10
TECHINICAL SPECIFICATIONS
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Item No. : HC-M1
Material : Zinc Alloy
Image pixel : 160*160
Network : Bluetooth
Unlocking Way :
Fingerprint+Password+TT lock+card+key
Availability : Android 4.3/IOS7.0 and above
Unlocking Efficiency :≈1.5 seconds
Battery :4pcs AA Alkaline battery
Working Current :Less than 200 mA
Voltage Range : 4.5-9V
IC Card Capacity : 200 pcs
Range of Working Temperature :-20~70℃
How to install smart lock M1:
https://www.youtube.com/watch?v=Zn6TPVoYLP4&list=PLeQFzh3LX33-0TwktSh_cjS47iO6oVTr_&index=10