How to turn on the infrared thermometermr.shahadifar
How to turn on the infrared thermometer? When using the infrared thermometer, we must first install the battery. When installing the battery, we must distinguish its positive and negative poles. If it is installed incorrectly, it will not be able to turn on the product.
After the battery is installed, the screen of the infrared thermometer will light up, and then a beep will sound. Then it can be used normally.
Origin: LONG SUN news