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SPD201/O2 Oxygen Gas Detector
Features:
1. Test Oxygen in the office, workshop, train, bus, mine, mountain, vessel cabinet ect.
2. With backlight, alarm with light and sound.
3. Low battery indicate
4. Easy operation
Specifications:
1. Range: 0~25%VOL
2. Accuracy: ±0.5%
3. Power: 3x1.5V AAA battery
4. Size: 172x51x26mm