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: indoor/outdoor 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 or . Pressure alternatively in inHg or hPa/mb. Time in 12/24HR format with Dual alarms. Temperature and humidity max/min 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~+50 / 14~+122 Indoor Humidity Display Range: 20% RH to 95% RH Outdoor Temperature Display Range: -40 ~+60 / -40~+140 Outdoor Humidity Display Range: 20% RH to 95% RH Atmospheric Pressure Display Range: 600hPa/mb~1100hPa/mb(17.72inHg~32.48inHg) Resolution: Temperature Display Resolution: 0.1 / 0.1 Humidity Display Resolution: 1% RH Atmospheric Pressure Display Resolution: 1 hPa/mb(0.03 inHg) Temperature Accuracy: 0-40°C: ±1°C / 1.8, Other: ±2°C / 3.6 Humidity Accuracy: 40-80%RH: ±5%RH, Other: ±8%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 Distractions/No 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)