Advanced EMF Meter GQ EMF-390 3-in-1 EMF ELF RF Meter, 5G Cell Tower Smart Meter WiFi Signal Detector RF up to 10GHz with Data Logger and 2.5Ghz Spectrum Analyzer

Read EMF, RF and EF at same screen at once
Detects all three invisible radiation source and gives warring
Auto identify the possible radiation source
Rechargeable battery can be charged on a any USB port or cell phone charger
Every second data logging and save up to 24 hours history data
Category：Industrial & Scientific GQ