Foxpic Oxygen Meter, VivReal Portable Handheld Oxygen(O2) Concentration Detector with LCD Display and Sound-light Alarm

Specifications:
- Color: blue
- Size: 120*65*25mm/4.72*2.56*0.98"
- Detection Gas: oxygen
- Detection range: 0 ~ 25% VOL
- Warm-up Time: <10 seconds
- Accuracy: ±2%
- Reaction time: <15 seconds
- Sensor: Electrochemical principle
- Temperature display mode / range: °C /°F (-15 °C ~ 50 °C)
- Continuous working time: 6 hours (with a slight change in the working state)
- Operating Temperature Range: -15 °C~ + 50 ¡ãC
- Alarm type: sound alarm, light alarm and vibration alarm
- Alarm Point: Low concentration 19.5% VOL yellow warning light flashing
- High concentration 23.5% VOL red warning lights flashing
(Alarm concentration can also be set up)
- Power supply: 3x1.5V AAA battery ( NOT included )

Package Contents:
1 x Oxygen Meter
1 x User Manual