Product character - Beautiful and comvenient design of knob;
- Beautiful shape, various clolos;
- Anti-prize keyhole design, safe and practical;
- "Cat not pull out key wifhout lock" mode;
- Battery Low alarm mode;
- Main board are stable and of high quality with industrial class chip;
- The key is made by enclosure the IB chip into plastic ,anti-shock, waterproof, anti-cauterization, there is hole on both side, easy for carry.
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