EMF Meter, Electromagnetic Radiation Tester, Handheld Digital LCD EMF Detector, Excellent Tester for Home EMF Checking, Office, Outdoors and Ghost Hunting Product Features EMF Meter Function; Two Uses in One Machine. Can test electric field and magnetic field radiation at the same time. When the test result exceeds the safe value, the instrument will automatically alarm. Excellent performance; data retention and clear LCD display, one key to lock the radiation value and read the value easily. A radiation assessment alerts you to whether radiation levels are safe. Equipped with a built-in electromagnetic radiation sensor, after being processed by a control microchip, the radiation value can be displayed on a clear LCD digital display. Measures radiation; easy to use and operate. Applications Electromagnetic radiation detectors are mainly used for electrical appliances in daily life, which can effectively help people stay away from radiation sources and protect people from radiation hazards. Electromagnetic radiation testing; mobile phone, computer, TV, refrigerator, high-voltage line radiation testing. Radiation protection product testing: test the effect of radiation protection clothing, radiation protection film and other protective equipment.