China made zinc alloy qr code open door lock with key for back up
material:zinc alloy constrcution
easliy set and operate
lock can be opened by qr code and RF card
suitable for wood door
lock colour:golden and red ancient bronze
power supply:4X1.5V alkaline battery
the lock adapt the QRCODE recognition technology
Low recognition error rate.
Can set parameters to adjust recognition rate.
Achieve O2O marketing model in any industry.
Integrate offline door lock with online key.
Virtual room card, suitable for the market trend.
Can be printed on paper, environment friendly.