Product Features: Colorful Screen Weather Station: Features an LCD HD full-color screen visible from any angle, ideal for desk placement. Displays a wealth of information, including indoor/outdoor temperature and humidity, atmospheric pressure, moon phase, time, calendar, comfort indicator, weather forecast and trend, Hi/Lo temperature warning, ice warning, and more. Automatic Calibration Function for Radio Wave Time: Compatible with WWVB, DCF, MSF, and includes DST function. Automatically updates the current time by receiving WWVB radio signals. The weather station also includes an alarm with a snooze button for 5 minutes of extra sleep, offering convenience and practicality for everyday use. Adjustable Backlight Time: When connected to a DC adapter, the monitor brightness can be set to four different levels, ensuring eye protection and peaceful sleep. When powered by a battery, the backlight will conserve power by turning off after 15 seconds. Outdoor Thermometer with 3 Remote Channels: Each indoor thermometer supports connection with up to 3 remote sensors, allowing you to track the temperature and humidity of various locations such as a nursery, storage room, wine cellar, and pantry. Additional Functions: Offers temperature readings in both ℉ and ℃, pressure readings in inHg or hPa/mb, and time in 12/24HR format. Keeps records of maximum and minimum temperature and humidity. Displays indoor and outdoor temperature and humidity trend changes, with warnings for high/low temperatures and ice. Includes USB port power output. Specifications: Adapter: EU Plug Power Supply: Weather Station: Adapter or 3 AAA Batteries (not included) Sensor: 2 AAA Batteries (not included) Measurement Range: Indoor Temperature: -9.9℃ to +50℃ / 14℉ to +122℉ Indoor Humidity: 20% RH to 95% RH Outdoor Temperature: -40℃ to +60℃ / -40℉ to +140℉ Outdoor Humidity: 20% RH to 95% RH Atmospheric Pressure: 600hPa/mb to 1100hPa/mb (17.72inHg to 32.48inHg) Resolution: Temperature: 0.1℃ / 0.1℉ Humidity: 1% RH Atmospheric Pressure: 1 hPa/mb (0.03 inHg) Accuracy: Temperature: 0-40℃: ±1℃ / 1.8℉, Other: ±2℃ / 3.6℉ Humidity: 40%-80%: ±5%RH; Other: ±8%RH Air Pressure: ±5hPa Alarm Decibel: 70dB (10CM from weather station) Power: Weather Station: 12.5W MAX Sensor: 0.075W MAX Voltage: Weather Station: DC 5V or 3 AAA Batteries 4.5V Sensor: 2 AAA Batteries 3V Current: Weather Station: 2.5A MAX Sensor: 25mA MAX Low Battery Reminder: Weather Station: 3.6V (using battery power) Sensor: 2.5V Connection Distance: Up to 60 meters (no distractions/obstructions) Material: ABS Dimensions: Weather Station: 164 x 136 x 45 mm / 6.46 x 5.35 x 1.77 inches Sensor: 5 x 2.6 x 10.5 cm / 1.97 x 1.02 x 4.13 inches Package: 20.7 x 12 x 5.5 cm / 8.15 x 4.72 x 2.16 inches Package Weight: 430g / 18.76oz Package Contents: 1 Weather Station 1 Sensor 1 Power Adapter 1 User Manual (English)