Features:3-in-1 electromagnetic radiation detector: Simultaneously detect electric field, magnetic field radiation and temperature, convenient and efficient.Accurately measurement: The built-in electromagnetic radiation sensor can quickly and accurately measure the electromagnetic radiation value.LCD display: After being processed by the control micro chip, the radiation value can be displayed on a clear LCD digital display.Easy to carry: small size, compact structure, easy to carry. Fast responsing and wide measurement range.Applicable to multiple scenarios: very suitable for the current situation of electromagnetic radiation in indoor and outdoor environments such as homes, bedrooms, kitchens, and hotels.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Detection function: electric field/magnetic field/temperatureTest bandwidth: 5mHz-3500mHzSampling time: about 0.4 secondsTest mode: dual-mode simultaneous testOperating temperature: 0-50COperating humidity: 80%RHWorking voltage: DC4.5VPower supply: AAA1.5V*3 (not included)