Features: 1.MULTIFUNCTION: The electromagnetic radiation detector can measure power density, electric field strength and magnetic field strength, providing comprehensive electromagnetic radiation monitoring functions. 2.HIGH ACCURACY: LCD radiation detector has high accuracy measurement range and resolution, can accurately measure power density, electric field strength and magnetic field strength, provide reliable data support. 3.DIGITAL LCD SCREEN: The LCD radiation detector is equipped with a large 66x49mm digital LCD screen, which clearly displays the measurement results, making it easy for users to intuitively understand the level of electromagnetic radiation. 4.WIDE FREQUENCY RANGE: Handheld radiation detector can measure power density from 50MHz to 5GHz, electric field strength from 20Hz to 100MHz, magnetic field strength from 20Hz to 1MHz, suitable for electromagnetic radiation detection in different frequency ranges. 5.WIDELY APPLICABLE: The radiation detector is suitable for home, office, school, factory and many other places, providing accurate electromagnetic radiation monitoring and helping users assess the radiation level of the environment. specification:Item Type: Electromagnetic Radiation Detector Material: ABS Screen Size: Approx. 66x49mm / 2.60x1.93in Power Density: 0-99.999uw/c m2 Electric Field Strength: 0-999.99v/m Magnetic Field Strength: 0-99.999T Power Density: 0.001uw/c m2 Electric Field Strength: 0.01v/m Magnetic Field Strength: 0.001T Power Density: 50MHz-5GHz Electric Field Strength: 20Hz-100MHz Magnetic Field Strength: 20Hz-1MHz Battery: 3 x AAA Battery (Not Included) PackageList:1 x Electromagnetic Radiation Detector NoteManual measurement please allow some error.