Wearable Gas Concentration Meter

:
AS ONE
[Features]
·Vibration with buzzer, flashing red lamp, LCD, and vibration
·Approx. 5,000 hours of continuous use / 1 AAA alkaline dry cell battery

[Features]
·Vibration with buzzer, flashing red lamp, LCD, and vibration
·Approx. 5,000 hours of continuous use / 1 AAA alkaline dry cell battery