Weather Station Wireless Indoor Outdoor with Sensors Transparent Glass Color Display Digital Weather Forecast Temperature Humidity Monitor Alarm Clock for Home Wall Table Humidity: Both indoor and outdoor measurement ranges from 20% RH to 95% RH Temperature: Indoor Temperature Measurement Range: -9.9 ° C (15 ° F) to 50 ° C (122 ° F) Outdoor Temperature Measurement Range: -40 ° C (-40 ° F) to 70 ° C (158 ° F) Temperature can be switched between units of ° C or ° F Outdoor thermometer alarm Atmospheric Pressure Measurement Range: 600 hPa/mb to 1100 hPa/mb 17.72 inHg to 32.50 inHg Pressure Selection Unit: hPa/mb or inHg optional 4 Brightness Levels: Bright ->medium ->dark ->off 4 Weather Forecast Patterns Display: Sunny, cloudy, cloudy, light rain 7 Languages to Choose From: English, German, Italian, French, Spanish, Dutch, and Danish. RF Transmission Frequency: 433 92MHz Transmission Range: Open Area 60 meter Meteorological Clock Power Supply: Powered by 2 * AAA batteries (excluding batteries) or USB cable Sensor Power Supply: Powered by 2 * AA batteries (battery not included) Meteorological Clock Size: 15.4 * 6.4 * 9.6cm/6.1 * 2.5 * 3.8inch Sensor Size: 5 * 2.5 * 9.5cm/2 * 1 * 3.7inch Meteorological Clock Weight: 234g/8.3oz Sensor Weight: 55g/2oz