Technical details
| DCF radio clock |
Y |
| Sunrise/sunset time |
Y |
| Moon phase |
Y |
| Forecast data receiver |
Y |
| Min/Max temperature memory |
Y |
| Measuring functions |
Rain sensor, Outdoor hygrometer, Outdoor thermometer, Indoor thermometer, Indoor hygrometer |
| Measuring functions trend display |
Hygrometer, Thermometer |
| Weather station extremum data |
Hygrometer, Thermometer |
| Alarm function |
Y |
| Clock function |
Y |
| Temperature measuring units |
°C, F |
Power
| Battery type |
AA |
| Number of batteries (receiver) |
4 |
| Number of batteries (sensor) |
2 |
| Battery voltage |
1.5 V |
WS 6501 - Infrared, Alarm, Indoor/outdoor