Feature 1Automatic Alarm: When the test result exceeds the safe value, the detector will automatically alarm, the alarm method is sound and light alarm 2Quick Detection: The detector can quickly detect the surrounding radiation index, and measure the ambient temperature of the electric field and magnetic field at one time 3Real Time Display: The detector is equipped with a large high definition backlit color LCD screen, which can display the detection data in real time 4Safe and Reliable: This detector can test the effect of protection products such as radiation protection clothing and films, which is safe and reliable 5Application: This monitor can widely use for electrical appliances and places such as mobile phones, computers, TVs, refrigerators, high voltage lines, homes, offices, outdoors, industrial places , etc.Item Type: EMFMeterMaterial: ABSModel: WT3120Battery: 1 x 9V 6F22(not included)Uses: Radiation sources can be seen everywhere in life and work, there are electromagnetic and radiation in electrical appliances and places such as televisions, refrigerators, computers, power stations, etc., this meter can detect all electromagnetic radiation in life and work.Basic Parameter:Electric Field:Accuracy: 1V/mRange: 1V/m-1999V/mAlarm Threshold: 40V/mMagnetic Field:Accuracy: 0.01TRange: 0.01T-99.99TAlarm Threshold: 0.4TReading Display: 3-1/2 LCD displayTest Bandwidth: 5Hz-3500MHzSampling Time: About 0.4 secondsTest Mode: Dual mode testOverload Prompt: Display "1" . Package List1 x EMF Meter1 x Manual