Rechargeable Digital 5G 4G EMF Electromagnetic Radiation Meter Tester Detector Handheld Portable Counter Emission Dosimeter , Readable

Made of premium strong plastic shell, impact resistant and . Can test the electric field and the magnetic field radiation at the same time. Display the radiation value on the LCD digital display, easy to read. Data locking, one-key lock of the radiation value and easily read the value. Sound-light alarm, when the test result exceeds the safe value, will alarm automatically.