One instrument with two uses it can test the electric field and the magnetic field radiation at the same time.</br>Sound-light alarm when the test result exceeds the safe value the instrument will alarm automatically.</br>Fashionable design easy on-hand operation it's easy to carry and make field measurement.</br>It is equipped with a built-in electromagnetic radiation sensor which can display the radiation value on the LCD digital display after processing by control micro-chip.</br>Radiation assessment remind you whether the radiation value is safe or not.you can use it in food/cell phone/computer/ microwave/refrigerator/Electronic products etc.</br></br>Product Description</br></br><B>Product Description</B><BR><P>This item can test electric field radiation and magnetic field emission to reach the optimal test result. It is used to test and learn electromagnetic radiation situation indoor and outdoor. It is equipped with a built-in electromagnetic radiation sensor which can display the radiation value on the LCD digital display after processing by control micro-chip.</P><B>Features:</B><BR><P>One instrument with two uses?? it can test the electric field and the magnetic field radiation at the same time.</P><P>Sound-light alarm?? when the test result exceeds the safe value?? the instrument will alarm automatically.</P><P>Data locking?? one-key lock of the radiation value.</P><P>LCD display of the values for easier reading.