This 3 in 1 meter reads Electromagnetic Field radiation, the magnetic and electric fields, and the temperature.
 
Sound and Light alarm
manual/auto shut off, safe value setting
Large and Easy to Read LCD display
Larger FrequencyRange  - 5HZ—3500MHz
Tripod Mountable - universal threaded hole
Built In LED Flashlight
 
Multi-Measurement Mode

Electromagnetic field strength measurement
Range: 0.1-199.9mG / 0.01-19.99µT
Resolution:0.1mG / 0.01µT
Alarm threshold> 4.0mG / > 0.4µT

Electric field strength measurement
Range:1-1999V/M
Resolution:1V/M
Alarm threshold> 40 V/M

Ambient temperature
Measurement:Range0～50℃ / 32～122℉
Resolution:1℃ / ℉
Precision:±1.5℃ / 3℉
 
Sound & Light Alarm
Alarm modes tell you intensity range
Green light(Mute): Less than 4mG
Yellow light(Low sound frequency): 4mG - 40mG
Red light(High sound frequency): More than 40mG
 
 
Automatic shut-down15 minutes of inactivity
Low battery icon<6.8V
Operating temperature:0～40 ℃ / 32～104℉ 45%-80%RH
Power source:1*“9V” battery (included)
 
body of meter color may vary