Feature:1. EF MF RF DETECTOR: 3 in 1 radiation detector, for electric field radiation detection, magnetic field radiation detection, and radio frequency radiation detection.2. ACCURATE MEASURING: The radiation detector adopts high accuracy sensor and micro control chip processor to ensure accurate and fast measurement.3. SCREEN AND ALARM: The detector adopts HD backlight large screen, which is clear and intuitive, with sound, light, display beyond the threshold alarm.4. RF DETECTION RANGE: Support radio frequency radiation detection such as wireless, Bluetooth, radio device, 5G signal, etc., to help improve the living environment.5. APPLICABLE SCENES: Suitable for distribution room, high voltage tower, signal tower, weak current well, high speed railway station, as well as microwave oven, electrical screen, WiFi router, mobile phone, etc.Specification:Item Type: EMF DetectorMeasurement Accuracy: 5%Measurement Bandwidth: 50Hz-3500MHzAutomatic Shutdown: Default to 15 minutes, can be turned offWorking Temperature: -10-60Working Humidity: <80%RHBattery: 1 x 6F99 9V Battery (included)Sensitivity: EF (Electric Field): 1V/mMF (Magnetic Field): 0.1mG or 0.01uTRF (Radio Frequency): 0.01mW/mMeasurement Range: EF: 1-1999V/mMF: 0.1-999.9mG or 0.01-99.99uTRF: 0.01-19.99 mW/mAlarm ThresholdEF(V/m)MF(mG)RF(mW/m)Safe<40<4<5Alert40-804-85-10Avoid>80>8>10.Package List:1 x Radiation Detector1 x Battery1 x User Manual1 x Storage Bag