Protect your family and friends from harmful electrical EMF and radio waves, the EMF390 is your best friend to tell you where the harm is coming from and how far you need to be away from products emitting EMF and Radio waves. The EMF-390 multi-function digital EMF meter is designed to be a portable device. It can be used in industrial, commercial maintenance, research, evaluation, simulation and other analytical or scientific applications in areas such as industrial plants, public utilities, universities, laboratories and electronic repair shops.The device integrated testing features include three axis Electromagnetic Fields, Electric Field, Radio Frequency and Radio Spectrum Power Analyzer. The meter is able to identify the common source from EMF measured, such as Power Lines, WiFi etc. It also comes with built-in audible and visual alarm. It can be used for EMF, EF, RF and 5G network detection and monitoring both indoor and outdoor(protected), as well as in other similar environments. It can continually monitor the radiation. You can connect to PC software can download the radiation data to the computer and the user is able to analyze dataThe built-in electronic gyroscope lets the user read the data from the upside-down view easily. Please click here for the Quick Start Guide Please click here for the instruction manual for this item. Lost you guide card, check the pictures above to download or print. Specifications:EMF (Electromagnetic Field)Triple axis (X, Y, Z) up to 150KhzRange: 0.0~500mGResolution: 0.1/1 mGRF Field (Radio Frequency Field)Frequency: up to 10GHzRF Spectrum Power AnalyzerFrequency band 1: 50MHz to 65MHzFrequency step: 100KHzFrequency span: 100KHzFrequency band 2: 65MHz to 76MHzFrequency step: 100KHzFrequency span: 100KHzFrequency band 3: 76MHz to 108MHzFrequency step: 100KHzFrequency span: 100KHzFrequency band 4: 240MHz to 1040MHzFrequency step: 1KHz to 10KHzFrequency span: 50KHz to 4000KHzFrequency band 5: 2.4Ghz to 2.5GHzFrequency step: 25KHz to 405KHzFrequency span: 58KHz to 812KHzAudible alarm: beep/sirenVisual alarm: green, red LEDOperating temperature & humidity: 5 to 40 degree C, below 80% RHWorking Voltage: 3.6-3.7VDisplay: LCD dot matrix, backlightPower Consumption: 25mW to 125mW (backlight dependant)Power: Supply 3.7V Li-Ion battery / USB powerDimensions 135 x 78 x 25 mm WARRANTY: 1 year EMFs in your home include: Cell phones Cordless phones Microwaves Refrigerators / Freezers Computers Smart TVs Fitness trackers WiFi Routers Bluetooth and other non-wired headphones Electric blankets Hair dryers Electrical panels (where electricity enters the home) Some of the most common sources of EMFs outside of your home include: Power Lines Ultraviolet waves X-rays Cell phone towers Airplanes