Features:Proper Size: Easy to carry and operate with one hand.LCD Display: Large & clear, easy to read values.Flashlight Function: See the values clearly in the dark.One EMF Meter 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:Material: ABSColor: BlackPower Supply: 1 * 6F22 9V Battery (Not Included)Automatic Shutdown: No operation for 15 minutesOperating Environment: 0-40/32-104, 45-80RHFrequency Range: 5Hz-3500MHzMeasurement Range of Magnetic Field Intensity: 0.1-199.9mG / 0.01-19.99TResolution Ratio: 0.1mG / 0.01TAlarm Threshold: > 4.0mG / > 0.4TMeasurement Range of Electric Field Intensity: 1-1999V/MResolution Ratio: 1V/MAlarm Threshold: > 40V/MMeasurement Range of Ambient Temperature: 050/ 32122Resolution Ratio: 1/Accuracy: 1.5/ 3 Item Size: Approx. 19.2*5.38*3.5cm / 7.56*2.12*1.38inItem Weight: Approx. 110g / 3.88ozPackage Size: Approx. 23*8*5cm / 9.06*3.15*1.97inPackage Weight: Approx. 200g / 7.05o Packing List:1 * Electromagnetic Radiation Detector (EMF Meter)1 * Users Manual (English)1 * Cloth Bag