Weather Forecast Icon ( Sunny, Slightly Cloudy, Cloudy, Rainy ).Indoor Temperature and Humidity Reading.Outdoor Temperature and Humidity Reading.Max / Min Memory Records.Indoor Temperature Range: 0°C to +50°C.Outdoor Temperature Range: - 20°C to +50°C.Indoor and Outdoor Humidity Range: 20% to 95% RH.Temperature Display with °C / °F Selectable.Digital Time and Date.Alarm and Snooze Function.12 / 24 Hours Selectable Format.Sensor Low Battery Indicator.Color LED Display.Desktop Usable.Outdoor Sensor Included.Transmission Between Main Unit and Sensor up to 30 m.( in Open Area ).Sensor Transmission Frequency: 433 MHz.Battery Back-Up: 2 x 1.5 V LR44 / AG13 ( Included ).Power Adaptor: DC 5 V / 500 mA ( Included ).Power of Sensor: 2 x 1.5 V Type AAA.( Batteries Not Included ).Consumption: < 1.6 W.Dimensions of Main Unit: ( w / h / d ) 152.5 x 96 x 59 mm.Weight of Main Unit: 177 g.