Multi-Field EMF Meter 2000mG Magnetic 2000V/m Electric 554.6mW/m2 RF Accuracy +/-2dB RF Strength 15 Percent Magnetic Fields 7 Percent Electric Fields Frequency Range (Hz) 50 MHz to 3.5 GHz RF 50 to 60 Hz Electric 50 to 60 Hz Magnetic Simultaneously Measures and Displays Magnetic Field Electric Field and RF Strength Triple Axis Sensor Audible Alarm 240 x 320 Color TFT Display Stores 20 RF Historical Records Monitors Electric Fields and RF Strength Magnetic Fields LCD Display