| Features | |
| Precisely measures and displays indoor temperature， indoor humidity and outdoor temperature Records maximum/minimum value of indoor and outdoor temperatures and humidity Equipped with an easy-to-read display Temperature unit can be changed between Celsius and Fahrenheit Features a frost alarm when temperature reaches negative 1~4 degrees Celsius Can be placed on a desk or hung on a wall | |
| General Specs | |
| Brand & Model | HC-520 |
| Type | Clock temperature & humidity meter |
| Indoor Temperature Range | Ranges from -10 to 50 degrees Celsius |
| Outdoor Temperature Range | Ranges from -50 to 70 degrees Celsius |
| Temperature Accuracy | ±1 degree Celsius (-20~60 degree Celsius)， ±2 degree Celsius (Other) |
| Humid Accuracy | ±5% (20~90%， 25 degree Celsius) |
| Resolution | 0.1 degree Celsius/1%RH |
| Indoor Humidity Range | 20%-99%RH |
| Storing Condition | 20%~80%RH， -20~60 degrees Celsius |
| Power Supply | 1.5v battery |
| Dimensions | 98 X 78 X 17 mm |
| Weight | 95 g |