Equipment Kit: You receive 1 electromagnetic field meter and 2 motion activated cat balls; such a great combination can easily meet your needs, adding more suspense and fun Accurate measurement: Built-in electromagnetic radiation detector, processed by the control , can display the radiation value on the clear LCD digital display; Measure magnetic field radiation (in MG/μT) and electric field (in volts/meter); Note: This EMF meter cannot test values Sound and light alarm: When the electromotive force reader test result exceeds the set value (0.4μT or 40V), the indicator light flashes, the screen turns red, and the buzzer alarms; if you are testing in some quiet areas, you can turn off the buzzer first device so as not to disturb other areas Multifunctional: The electromotive force detector has multiple functions, including data retention, maximum measurement, simple touch lock data, manual or automatic shutdown, safety value setting, sound and light alarm, etc. Wide range of applications: This ghost detector device is small and portable, and can be operated with one hand. It is suitable for radiation testing of , , computers, induction cookers, microwave ovens, rice cookers, refrigerators, mobile phone towers, printers, etc., helping to reduce possible damage. Radiation risks to your family's health, perfect for , parapsychology research and hotel inspections, Weight: 0.3196702799 pounds, Manufacturer: Tuidzljd