Product Spec.
*Indoor outdoor Thermometer with hygrometer
*Max-Min Temperature & Humidity Memory Function

Temperature Range:
*Outdoor: -40 °C ~70 °C(-58°F ~158°F)
*Indoor: -10 °C ~50 °C(14°F ~122°F)
*Accuracy:±1°C
*Humidity Range:25%RH~98%RH ±5%RH
*Selectable °C or oF Display by Slide Switch
*LCD Viewing Size:39X15.5mm
*Use 1X1.5 Volt AAA Battery

*Unit size:11.6*6*1.9cm