

The Temtop C10 2nd is a 3-in-1 air quality monitoring device that measures CO₂, temperature, and humidity in indoor spaces. It features an E-Ink display for clear visibility, low power consumption, and a very long battery life (up to 180 days according to Temtop). The device connects via Bluetooth to the Temtop app to view historical data, trends, and generate reports.
| Specification | Value / Details |
|---|---|
| CO₂ Measurement Range | 400 – 5,000 ppm |
| CO₂ Resolution | 1 ppm |
| CO₂ Accuracy | ±(40 ppm + 5%) (within 400 – 2,500 ppm) |
| Temperature Measurement Range | 0 – 60 °C (32 – 140 °F) |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C |
| Humidity Measurement Range | 0 – 99 % RH |
| Humidity Resolution | 1 % RH |
| Humidity Accuracy | ±3 % RH |
| Dimensions | 82 × 82 × 31 mm |
| Battery Capacity | 2,200 mAh |
| Battery Life | Up to 180 days (in power-saving mode) |
| Connectivity | Bluetooth (Temtop App) for historical data, charts, and report export |
| Display | 3.4-inch E-Ink display |
| Weight | Approx. 149 g |
| Power Supply / Charging | USB (5V, 1A) |
