Cheap hot sale intelligent hotel room card door lock
Locking and unlocking record printable (with data collector...
Guangzhou Manufacture hot sale FC CE electronic motel keyless door lock
Low battery voltage warning. The voltage of PCB less than...
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Technology Data:
l Power: DC6V, 4 pcs AA 5# alkaline...
l Power: DC6V, 4 pcs AA 5# alkaline...