This Wireless Rain Gauge with thermometer and clock is ideal for monitoring rainfall, indoor-outdoor temperatures and more. Wireless transmission of the temperature from the remote temperature sensor to the main unit can be made up to 100 feet (30 meters) away. Rainfall may be displayed in inches or mm. Some of the features include: programmable rain alarm, 10 days of rain collection history, indoor and remote temperature display, MIN/MAX memory for indoor/outdoor temperature, hourly, daily and weekly rainfall history, monitors temperature in up to 3 remote locations (only one remote sensor included), dual crescendo alarm with snooze, programmable ice warning alarm, wall mount or desktop option, low battery indicator, LED backlight display. Each component (main unit, remote sensor, remote rain gauge) is powered by three 'AA' alkaline batteries (not included).

Accuracy
Up to .04 inches (1.02 mm) in measurement when reading the rainfall collection.

Wireless
Wireless transmission up to 300 feet from rain gauge sensor to the main unit.

Temperature
The temperature remote sensor can transmit up to 100 feet to give an accurate real time reading. The main base unit also reads the room's temperature.

Data Collection
The unit stores up to 10 days of data so you can check for past rain history data.

Time and Date
Optional features to show time and calendar date.

Actual dims: Main Unit: 3" (L) x 1" (W) x 6" (H). Remote Sensor: 3" (L) x 1" (W) x 4" (H). Remote Rain Gauge: 7" (L) x 5" (W) x 7" (H), Ship wt: 4 lbs, Ship dims: 13" (L) x 10" (W) x 13" (H).