Features: Proper Size: Easy to carry and operate with one hand. LCD Display: & clear, easy to read values.Flashlight Function: See the values clearly in the dark. One with Three Measurements: Measurements of the magnetic field radiation, electric field radiation and the temperature.Multiple Units Conversion: mG/T/(V/M)//. Data Hold & Max Measurement: One-key locks the data.Sound-light Alarm: When the test result exceeds the safe value, the instrument will alarm automatically.Wide Applications: Measuring radiation of TV, induction cooker, rice cooker, refrigerator, computer, appliances, electrical wires, etc.Specifications: Supply: 1 * 6F22 9V Battery (Not Included)Automatic Shutdown: No operation for 15 minutesOperating Environment: 0-40/32-104, 45%-80%RHFrequency Range: 5Hz-3500MHzMeasurement Range of Magnetic Field Intensity: 0.1-199.9mG / 0.01-19.99TResolution Ratio: 0.1mG / 0.01TAlarm Threshold: Greater than 4.0mG / Greater than 0.4TMeasurement Range of Electric Field Intensity: 1-1999V/MResolution Ratio: 1V/MAlarm Threshold: Greater than 40V/MMeasurement Range of Ambient Temperature: 050/ 32122Resolution Ratio: 1/Accuracy: 1.5/ 3 Material: plasticcolour: As shownPackage Contents:1 x Electromagnetic Radiation Detector ()Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.