![2](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
Note:
1. Keep the item in verticality when turning it on.
2. Hold the handle and make sure its in horizontal condition, or the readings will be inaccurate.
3. Avoid hard impact or press.
4. Do not use chemical detergent to clean it while a piece of soft silk is ok.
5. When the backlight of the LCD screen is dim, it means that the battery is in low power and replacement is in need.
Please remove the battery when its not in use for a long time.