Features! RD630 EMF Meter is a 3-in-1 multifunctional meter that measures electric field (EF), magnetic field (MF), and radio frequency field (RF). It features a built-in electromagnetic radiation sensor that processes data through a micro-control chip and displays the radiation value on an LCD screen. This allows users to make informed decisions or take appropriate precautions regarding electromagnetic radiation exposure based on test results. Applications! This device is designed for measuring electromagnetic radiation in various living environments, including offices, computer rooms, power distribution rooms, and near transmission towers. It is suitable for testing common household and office devices such as routers, Bluetooth devices, radio equipment, TVs, computers, printers, microwave ovens, refrigerators, and cell towers. It can also be used for low-frequency appliance assessments and general environmental monitoring. Packing List! 1 x RD630 EMF Meter, 1 x User Manual in English and Russian, 1 x Dust-proof bag