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1.Adopt U type handle to prevent the accident. |
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2.Stainless steel crust, never rust. |
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3.Adopt metal material for both sides of crust
to prevent unsafe hidden trouble of plastic. |
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4.Don't install the motor inside the mortise:
change the deadly disfigurement of motor at all. |
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5.Free rotating handle, maximum prolong mechanism
life and also avoid unlock by violence. |
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6.Pure stainless steel mechanical rotating structure
enable for using more than 10 years. |
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7.Change batteries in the lock most easily and
safely. |
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8.Adopt plastic insulated protection on electronic part |
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