Reach New Indoor/outdoor Portable Digital LCD Temperature Meter Thermometer &deg;C / &deg;F LCD Dimension:	 39.5mm x 30mm,Net Weight: Approx.82g The over all size of this item:	 110mm x 70mm x 19.5mm Measuring Temperature Range:	 Indoor:-20C~70C(-58F~158F) Measuring Temperature Range:	 Outdoor:-50C~70C(-58F~158F) Operating Voltage:	 1.5V,one AAA Battery (Not Included)