O2 Gas Tester Monitor Detector Handheld Oxygen Meter

High precision, respond quickly.
Stable performance, high accuracy.
0-25% oxygen content detection.
Sound and light dual-alarm.
Smart chip, low power consumption.
Compact portable size, easy to use.
2.7" large LCD screen displays data clearly.
Rechargeable lithium battery is included.
For home use, agriculture, chemical industry, etc.

Specifications:
Material: ABS
Voltage: AC100-240V, 50/60Hz
Output: DC5V±5%, 1000±50mA
Measuring Range: 0~25%
Resolution: 0.1%
Temperature: -10~50℃
Resolution: 0.1℃
Working Humidity: 0~95%RH
Power Supply: 1 * 3.7V, 1000mAh rechargeable li-ion battery
Screen Size: 4.4 * 5.3cm / 1.73 * 2.08in
Storage Box Size: 23 * 20.5 * 5cm / 9.06 * 8.07 * 1.97in
Item Size: 18.3 * 6.5 * 3cm / 7.20 * 2.56 * 1.18in
Item Weight: 245g / 8.64oz
Package Weight: 743g / 26.21oz
Package Size: 25.5 * 21 * 5.7cm / 10.04 * 8.27 * 2.24in

Package List:
1 * Detector
1 * Charging Plug
1 * USB Cable
1 * Storage Box
1 * Manual (English)