* No key design * Patent 4 direction auto-orientation * Automatic power on and off * Varietal color for your option (Green, Pink, Royal blue and Black)

1. Excellent low perfusion ≤0.4%. Accuracy ±2%. Visual alarm (all models) and audible alarm (A4) function .
2. 2.
   Low power consumption. 50 hours continuous to work .
3. 3.
   Low voltage indication .
4. 4.
   Small and light weight, convenient to carry.
5. 5.
6. No key design.  
7. Patent 4 direction auto-orientation .

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8. Automatic power on and off .

   Ø
9. Varietal color for your option

   (Green, Pink, Royal blue and Black