Product Features:
1. Handheld, high sensitivity and accuracy
2. Intrinsically safe, Ex sign is ExibdⅠ
3. Rugged ABS+PC case, crash resistant
4. High-capacity chip, 4 layers PCB board
5. Visual & audible alarm
6.Low battery alarm
7. Rechargeable battery LCD
8. large screen display with Real time clock and status of battery