Technical Specifications
| Screen size | 2.4 in (6.09 cm) |
| Battery power supply | 3.7 V DC |
| Rated output voltage | DC 5 V rated output current 500 MA |
| Working humidity | 0 % to 90 % RH non-condensing |
| Air pressure conditions | 1 standard atmosphere |
| Formaldehyde measurement range | 0 mg/m3 to 1.000 mg/m3 Resolution 0.001 mg/m3 |
| Accuracy | ± 20 % of reading value or ± 0.03 mg/m3 |
| PM2.5 measurement | Measurement range 0 μg/m3 to 999 μg/m3 Resolution 1 μg/m3 Accuracy ± 15 % of reading value or ± 20 μg/m3 |
| TVOC measurement | Measurement range 0 mg/m3 to 9.999 mg/m3 Resolution 0.001 mg/m3 Accuracy ± 20 % of reading value or ± 0.3 mg/m3 |
| Working temperature | 32 °F to 122 °F (0 °C to 50 °C) |
| Size | 2.55 in x 5.51 in x 1.57 in (65 mm x 140 mm x 40 mm) |
| Weight | 7.76 oz (220 g) |
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