Item Type: EMF Meter Material: ABS Model: WT3120 Battery: 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 or m Range: 1V or m-1999V or m Alarm Threshold: 40V or m Magnetic Field: Accuracy: 0.01T Range: 0.01T-99.99T Alarm Threshold: 0.4T Reading Display: 3-1 or 2 LCD display Test Bandwidth: 5Hz-3500MHz Sampling Time: About 0.4 seconds Test Mode: Dual mode test 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 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.