Item Type: EMF Meter_x000D_Material: ABS_x000D_Model: WT3120_x000D_Battery: 1 x 9V 6F22(not included)_x000D_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._x000D_Basic Parameter:_x000D_Electric Field:_x000D_Accuracy: 1V/m_x000D_Range: 1V/m-1999V/m_x000D_Alarm Threshold: 40V/m_x000D_Magnetic Field:_x000D_Accuracy: 0.01T_x000D_Range: 0.01T-99.99T_x000D_Alarm Threshold: 0.4T_x000D_Reading Display: 3-1/2 LCD display_x000D_Test Bandwidth: 5Hz-3500MHz_x000D_Sampling Time: About 0.4 seconds_x000D_Test Mode: Dual mode test_x000D_Overload Prompt: Display "1" 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. 1 x EMF Meter 1 x Manual