Weather Clock with Temperature and Humidity Monitor Weather Display Alarm Clock with Weather Forecast for Home Item Type: Weather Clock Material: ABS Perpetual Calendar Setting: January 1, 2000 to December 31, 2099 Day of The Week Display in 5 Languages: EN, IT, FR, SP, GE 2 Alarm Clocks Can Be Set with Default 5 Minutes Snooze Function 12 Levels of Moon Phases Temperature Display Format Selection (℃/℉) Indoor Environment 3 Levels of Comfort Display 433MHz ASK Receive OUTDOOR Transmitter with Up to 3 Active RF Channels Outdoor Temperature Upper and Lower Limit Alarm and Frost Point Alarm Function Temperature and Humidity Trend Display Recording of Maximum and Minimum Indoor and Outdoor Temperatures Air Atmospheric Pressure Display Range: 850‑1050 HPa/mb and 25.10‑31.01 InHg, Display Resolution: 1 HPa/mb and 0.03 InHg Air Atmospheric Pressure Unit Selection: Mb/hPa Or InHg Past 1 to 12 Hours Barometric Pressure Change Records Histogram Display of The Trend of The Past 1, 2, 3, 6 and 12 Hours with The Current Atmospheric Pressure Five Levels of Weather Forecast: Sunny, Cloudy, Overcast, Rain, Sleet and Snow 3 Levels of Barometric Pressure Trend Display When Using Only The Battery, The Screen Data Can Be Read Normally Without The Backlight. Backlight Can Also Be Illuminated for 5 Seconds Using The Button When Using Power Supply Mode, The Backlight Is Always On Or Off Power Supply: Weather Clock: 2 x AA Dry Cell Batteries (Shipped Without Batteries) Or USB DC Power Cord (included) Sensor: 2 x AA Dry Cell Batteries (Shipped Without Batteries) Gross Weight: 407g/14.4oz