featureThe meter can test electric field radiation and magnetic field emission for best test results. For testing and understanding indoor and outdoor electromagnetic radiation. Built-in electromagnetic radiation sensor, after being processed by the control microchip, the radiation value can be displayed on the LCD digital display. One machine for two purposes, can test the electric field and magnetic field radiation at the same time. Sound and light alarm, when the detection result exceeds the safe value, the instrument will automatically alarm. Data lock, radiation value one-key lock. LCD displays numerical values for easy reading. Radiation assessment, reminding you whether the radiation value is safe. save dataLow battery alertAutomatic shut-downStylish design, easy to use, easy to carry and measure in the field.