1[LCD Display] This LCD electromagnetic radiation detector can simultaneously detect electric field and magnetic field radiation, the test range is 1V/m1999V/m, and the accuracy is 1V/m. 2[High Sensitivity]] has the advantages of high sensitivity, wide measurement range and long life. Daily use of radiation detectors helps avoid radiation hazards in everyday life. 3[Wide Range Of Uses] Mainly used to detect TVs, computers, printers, microwave ovens, refrigerators, cell phone signal towers, low frequency home appliances, etc. 4[Wide Measurement Range] Can be used for radiation detection and monitoring in indoor, outdoor and other similar environments. And used for material inspection, environmental testing, radiation protection, radioactive drug screening, etc. 5[Multiple Functions] Electromagnetic waves radiation monitor, with data lock function and sound and light alarm function, provides accurate measurement, small and portable.