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   Before use this product
   Product Specification
        and Composition
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Features & Advantages of the Product
One touch mute function
Battery replacement warning function
Notice operation state with beep sound
Backlight function
Automatic locking function
Automatic relockingg function
Two-way lock/unlock system
Mute function
Digital keys
Secret code
Colorful display function
Double locking function
Intrusion Warning Function
One touch button suspension function