Replaces Model 00592A2The perfect compliment to your dehumidification solution - this handy device displays remote humidity and temperature via a wireless transmitter. The transmitter can be mounted in a crawl space or basement to give you an accurate reading of relative humidity in a remote location. It also displays moon phase and features an atomic clock. This product can help you monitor the effectiveness of your dehumidifier and/or humidifier. Features: Indoor and Outdoor temperature Indoor and Outdoor humidity Moon phase Fahrenheit or Celsius selectable Humidity range: 20% to 90% Min/Max memory Atomic Clock with alarm and snooze Manual clock setting option Backlight button Bright Blue Backlight Main unit range: 32 to 122 degrees Fahrenheit (0 to 50 degrees Celsius) Sensor unit range: -40 to 158 degrees Fahrenheit (-40 to 70 degrees Celsius) Sensor 433 MHz transmission range up to 100 feet (33 meters) unobstructed Wall mountable Main unit requires 3 AA batteries (not included) Sensor requires 2 AA batteries (not included) Instruction manual included Humidity Range: 20% to 90% Product HxWxD (inches): - 8.5" X 3.75"W X 1.25" D Sensor Dimensions: 5.25" H x 1.75" W x .1" D 1 year manufacturer warranty