Wide range of applications: Measure the temperature and the humidity of various environment; Temperature range: -30??~70??(-22??~158??)?? Humidity range: 0%~100%RH.</br>Fast Response Time: The sensitive humidity&semiconductor sensor. High accuracy and performance?? provide useful measurements for analysis of critical environment conditions</br>LCD Backlight: Dual Display Temperature & Humidity; LCD display with backlight with CDS sensor?? LCD brighter in the darker places.</br>Celsius/ Fahrenheit Switchable Normally it displays in Celsius when you turn on the product. Then turn off the product. Press the "tton and don't release it?? and then turn on the product. You can release the power button and the "AX" button after full display on LCD. You will find it display in Fahrenheit.</br>Auto Power Off ; ABS Plastic?? Dust & Splash Proof?? Durable and Useful. Power Supply by one 9V Battery (not Included)</br></br>Product Description</br></br><b>About ToGames:</b><br><br> ToGames Amazon seller focus on researching and developing high quality products and provide excellent customer service.Our company has thousands of own-brand products??providing consumers more choice. We also have the experience and technol