Technical characteristics
Working voltage: dc 6V (4 AA alkaline batteries)
Static power consumption: less than 25
Dynamic power consumption: less than 200mA
Battery life: normal continuous operation of about 15000 times
Under voltage indication: when working voltage is lower than 4.8v or so, open the door can have weak current hint (di 3 sound), right now still can open the door 150 times or so
Unlock records: can store the latest 990 unlock records (including mechanical key opening records)
Mechanical key: copper material, high safety mechanical key, ensure the door lock can open normally in case of emergency

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