5mm door plate thickness 10mm (All are solid high-quality steel plate and no any sandwich) LCD Electronic Combination Lock. It has burglar alarm, calendar, recording the number of times to open the door and you can set 1-8 digit password.
If you enter the correct password, the blue screen will light, then you can open the door. But if you enter wrong pssword three times, the burglar alarm will ring about 60 seconds.
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