Features! RD630 EMF Meter is an electric field(EF), magnetic field(MF), and radio frequency field(RF) 3tointo1 multifuctional meter. It is equipped with a buildtoin electromagnetic radiation sensor, which can display tha radiation value on LCD screen after processing by the microtocontrol chip. You can make reasonable processing or take effective prevention measures toward the electromagnetic radiation according to the test result. APPLICATIONS! It is used to test the measurement of electromagnetic radiation in living environments such as offices, computer rooms, power distribution rooms, and transmission towers. Mainly used for testing Router, Bluetooth, Radio equipment, TV, computer, printer, microwave oven, refrigerator, cell towers, for lowtofrequency home appliances, and ghost hunting, etc. Packing List! 1xRD630 EMF Meter 1xUser Manual by English and Russian 1xDusttoproof bag