EMF Meter, Electromagnetic Radiation Tester,Hand-held Digital LCD EMF Detector, Great Tester for Home EMF Inspections, Office,Outdoor and Ghost Hunting Product FeatureEMF Meter Function;One Instrument With Two Uses. It can test the electric field and the magnetic field radiation at the same time.When the test result exceeds the safe value, the instrument will alarm automatically.Excellent Performance;Data hold and clear LCD display, one-key can lock the radiation value and easily read the value.Radiation assessment can remind you whether the radiation value is safe.equipped with a built-in electromagnetic radiation sensor, which can display the radiation value on the clear LCD digital display after processing by control micro-chip.Measure Radiation;Easy To Use and Operate.Range of application electromagnetic radiation detector is mainly used for electrical appliances in life, which can effectively help people away from radiation sources and protect them from radiation hazardsElectromagnetic Radiation Test; mobile phone, computer, TV set, refrigerator and high voltage cable radiation test.Radiation protection product test: test effects of radiation-proof clothes, radiation-proof film and other prevention articles.Specifications:Material: ABSColor: blackPower supply: 3 * 1.5V AAA battery (not included)Precision: Electric field: 1 V/mMagnetic field: 0.01TRange: Electric field: 1-1999V/mMagnetic field: 0.01T -99.99TReading display: 3-1/2-digit LCDAlarm threshold value: Electric field: 40V/mMagnetic field: 0.4TTesting bandwidth: 5Hz-3500MHzSampling time: about 0.4 secondsTest mode: bimodule synchronous testOperating temperature: 0~50 / 30~122Operating humidity: relative humidity < 80%