Joyutouy Electromagnetic Radiation Detector DT-1180 Dosimeter Tester EMF Meter Radiator Sensor Indicator Hunting Equipment Detection Meter Size: 132mm X 69mm X 29mm, High quality ABS case material, Easy operations. Can detect the power of electromagnetic radiation around home electronics Display readings: three semi-liquid crystal display, maximum reading low-frequency . 1999V/M/High, Frequency: 1999uW/cm2.Level: low-frequency 5HZ-400KHZ V/m, high-frequency: 30MHz-2000MHz Measurement time intervals: 0.3 seconds.Operation voltage: ( 6F22)9V (not included) Operation temperature: -15 degree to +60 degree. radiation detector