Features 【PRACTICAL FUNCTION】1.This instrument has dual‑purpose functions, can simultaneously detect electric and magnetic field radiation.2.With electromagnetic radiation assessment, it shows that the current radiation position value is at a safe level. 【SCREEN DISPLAY AND ALARM 】Support color screen display, with sound and light alarm, automatic alarm when the safety value is exceeded. 【DATA LOCKS】 support data lock, one key lock radiation value. The LCD graphic shows the trend of the radiation value. 【PROFESSIONAL DESIGN】Stylish appearance, small size, can be operated with one hand, suitable for on‑site measurement. 【AFTER SALES SERVICE】: We will carry out rigorous testing,Your satisfaction is always our top priority. If you have any problem, please feel free to send us a message. We will give you a satisfactory answer. Specification: Item Type: Electromagnetic Radiation Tester Material: ABS Size: Approx. 133.47x59.98x25mm / 5.3x2.4x1.0inTechnical IndexProjectElectric FieldMagnetic FieldUnitV/MμTAccuracy1V/M0.01μTRange1V/M-1999V/M0.01μT-19.99μTAlarm Threshold40V/M0.4μTReading Display3-1/2 Digit LCDTest Bandwidth5Hz-3500MHzSampling TimeAbout 0.4sMeasurement ModeSimultaneous Dual ModeOverload IndicationMaximum Measurement Range on LCDOperating Temperature0℃-50℃Working HumidityRelative Humidity <80%Operating Voltage3.7V Lithium Battery, 600mAh Scope of Application: 1. Electromagnetic radiation monitoring: houses, apartments, offices, outdoors, industrial sites 2. Electromagnetic radiation test: mobile phone, computer, TV, refrigerator, high-voltage cable radiation test 3. Radiation protection product test: the test effect of radiation protection clothing, radiation protection film and other protective equipment Package List:1 x Electromagnetic Radiation Tester1 x USB Cable1 x Manual Note:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List 1 x Electromagnetic Radiation Tester 1 x USB Cable 1 x Manual