Features:Equipped with 3 probes, can carry out 360 detection, so that the detection is more accurate, the detection range is wider, the numerical change is more real.2.4-inch large screen can display electric and magnetic field values at the same time, making it more convenient to use and view.Built-in backlight and flashlight function, can be clearly displayed and used even in the dark.Sound and light alarm function, when the test result exceeds the safety value, the instrument will automatically alarm.With 4 function buttons, it is easy to operate and can easily switch between measuring electric/magnetic field and measuring temperature.Widely used for measuring the radiation of TV, induction cooker, rice cooker, refrigerator, computer, electric appliance, electric wire, etc.Specifications:Material: ABSElectromagnetic frequency response range: 5Hz~300HzElectromagnetic intensity range: 0.1~199.9mG/0.01~19.99TResolution: 0.1mG/0.01TAlarm Threshold: ; 4.0mG/; 0.4TAccuracy: 15%Electric field strength frequency response range: 4Hz~3.5GHzRange of electric field strength: 1~1999V/MResolution: 1V/MAlarm Threshold: ; 40V/MAccuracy: 15%Temperature range: -20~60Accuracy: 2Operating temperature and humidity: 0~40/32~104,45%~80%RHStorage temperature and humidity: -20~60/-4~140, 45%~80%RHPower supply: 3 x 1.5V AAA Battery (Not Included)Item Size: Approx. 220*60*55mm / 8.7*2.4*2.2inPackage Size: Approx. 24*8*5.5cm / 9.4*3.1*2.2inPackage Weight: Approx. 180gNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-3mm measuring deviation due to manual measurement.Packing list:1 x EMF Meter1 x Manual