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 effect 2.Please allow 1-3cm deviation due to manual measurement Description: Detection function: electric field/magnetic field/temperature Test bandwidth: 5mHz-3500mHz Sampling time: about 0.4 seconds Test mode: dual-mode simultaneous test Operating temperature: 0-50 DegreeC Operating humidity: Working voltage: DC4.5V Power supply: AAA1.5V*3 (not included) Package List: 1 x Radiation Detector