Feature 1HIGH ACCURACY: EMF detector with built in electromagnetic radiation sensor, has high measurement accuracy, ensuring your safety. 2SOUND LIGHT ALARM: When the test result exceeds 0.4uT 4mG or 40Vm, the screen will display Alarm and Harmful, and the buzzer will alarm. 3MULTI FUNCTION: This EMF meter can test average or peak readings, save data with one button for viewing, switch between uT and mG units, measure temperature ( ), indicate low battery, automatically turn off power after 10 minutes. 4LCD DIGITAL DISPLAY: Large backlit color LCD enables this electromagnetic radiation detector to be clearly viewed during the day or in the dark. 5WIDE USAGE: Widely used for testing television, computer, printer, microwave, electric fan, refrigerator, mobile signal tower, low frequency household appliance, etc.Item Type: EMF MeterMaterial: ABSModel: EMF01Working Height: 2000mMeasurement Method: Electromagnetic inductionDisplay Screen: VA reverse display color screenMaximum Display: 9999Sampling Rate: About 0.4sMeasurement Range: V/M: 0-9999, uT: 0-74, mG: 0-740Resolution: V/M: 1, uT: 0.01, mg: 0.1Bandwidth: 5-3500MHzPower Supply: AAA battery x 3 (shipped without battery)Use: Widely used in home, office, living area, industrial equipment, distribution room, high speed railway, signal base station, etc. . Package List1 x EMF Meter1 x Cross Screwdriver1 x Storage Bag1 x User Manual