The Extech Big Digit Hygro-Thermometer displays both indoor and outdoor temperature and humidity. The device monitors humidity from 10% to 99% RH ± 5% RH and temperature from -10°C to 60°C ± 1°C (14°F to 140°F ± 1.8°F). A max/min with reset function saves and recalls high and low values for all four parameters. Comes with a built-in stand, wall mounting bracket, outside sensor with 89 cm (35 in) wire, and 1.5 V AAA battery.
| Relative Humidity | 10 to 99% |
|---|---|
| Relative Humidity Basic Accuracy | ±5% (25% to 85%) |
| Temperature (Air) | 14 to 140°F (-10 to 60°C) |
| Temperature (Air) Basic Accuracy | ±1.8 °F/±1.0 °C (14 to 122 °F/-10 to 50 °C) |
| Certifications | CE |
| Dimensions | 4.3 × 3.9 × 0.78" (109 × 99 × 20mm) |
| Power | 1 × AAA (1.5V) battery |
| Warranty | 2 years |
| Weight | 6oz (169g) |