Features: 7.5" Colorful Weather Station: Equipped with 7.5" HD full color screen visible from any angle. Perfect for placing on a desk. Extensive information displayed by this digital hygrometer includes: indooroutdoor temp and humidity, air pressure and history, moon phase, time, calendar, alarm clock, weather forecast and trend, rainfall and more. Automatic Calibration Function for Radio Wave Time: WWVB DCF MSF, with DST function. By receiving WWVB radio signals, the current time can be automatically updated. The radio weather station can set 2 alarms. When the alarm rings, press the snooze button, and you will get 5 minutes of snooze time. This is both convenient and practical for daily life. Backlight Time: When plugged in to a DC adapter, the monitor brightness can be adjusted to three different brightness levels ( High Bright - Low Bright - Off ). When powered by a battery, the backlight will turn off after 15 seconds to save power. Outdoor Thermometer with 3 Remote Channel: Each indoor thermometer can pair with up to 3 remote sensors so you can monitor the temperature and humidity of your nursery, storage room, wine cellar, pantry, etc. Other Functions: Temperature alternatively in Fahrenheit or celsius . Pressure alternatively in inHg or hPamb. Time in 1224HR format with Dual alarms. Temperature and humidity maxmin record. Indoor Outdoor the highest minimum temperature alert. Specifications: Power Supply: Weather Station: Adapter or 3 * AAA Batteries(not included) Sensor: 2 * AAA Batteries(not included); Rainometer: 2 * AAA Batteries(not included) Measurement Range: Indoor Temperature Display Range: -9.9 celsius ~+50 celsius 14 Fahrenheit ~+122 Fahrenheit Indoor Humidity Display Range: 20percent RH to 95percent RH Outdoor Temperature Display Range: -40 celsius ~+60 celsius -40 Fahrenheit ~+140 Fahrenheit Outdoor Humidity Display Range: 20percent RH to 95percent RH Atmospheric Pressure Display Range: 600hPamb~1100hPamb(17.72inHg~32.48inHg) Resolution: Temperature Display Resolution: 0.1 celsius 0.1 Fahrenheit Humidity Display Resolution: 1percent RH Atmospheric Pressure Display Resolution: 1 hPamb(0.03 inHg) Temperature Accuracy: 0-40 degrees C: +-1 degrees C 1.8 Fahrenheit , Other: +-2 degrees C 3.6 Fahrenheit Humidity Accuracy: 40-80percent RH: +-5percent RH, Other: +-8percent RH Air Pressure Accuracy: +-5hPa Alarm Decibel: 70dB(10CM is facing the weather station) Power: Weather Station: 0.75W MAX Sensor: 0.075W MAX Rainometer: 0.075W MAX Voltage: Weather Station: DC 5V or 3 * AAA Batteries 4.5V Sensor: 2 * AAA Batteries 3V Rainometer: 2 * AAA Batteries 3V Current: Weather Station: 150mA MAX Sensor: 25mA MAX Rainometer: 25mA MAX Low Battery Reminder Of Weather Station: 3.6V(When using battery power) Low Battery Reminder Of Sensor: 2.5V Connection distance between weather station and sensor: 100M Connection distance between weather station and rainometer: 80M (No DistractionsNo Obstructions) Material: ABS Weather Station Size: 198 * 136 * 40 mm 7.79 * 5.35 * 1.57 inch Sensor Size: 5 * 2.6 * 10.5 cm 1.97 * 1.02 * 4.13 inch Package Size: 20.7 * 14.9 * 5.5 cm 8.15 * 5.87 * 2.16 inch Package Weight: 532g 18.76oz Package List: 1 * Weather Station 1 * Sensor 1 * Rainometer 1 * Power Adapter 1 * User Manual (English)