1 hour, 24 hours, week, month and total. Indoor receiver, ultra-thin body, 5.9-inch display area. Measures indoor and outdoor temperature, humidity, air pressure, dew point. Wind speed, wind chill, wind direction, UV index illumination (LUX), weather trend forecast, moon phase, rainfall. Time, time/week and calendar display, alarm. Low voltage prompt, outdoor unit can be powered by battery or solar.