1. This electromagnetic radiation meter successfully tests the compatibility of electric and magnetic field radiation, achieving optimal test results.2. Test and understand the current status of electromagnetic radiation in indoor and outdoor environments.3. The product features a built-in electromagnetic radiation sensor, processed by a microcontroller chip.4. LCD digital display of radiation value.5. Reasonably manage or effectively avoid electromagnetic radiation based on the test results of electromagnetic wave health standards.Reading: 3-1/2 digit LCD displayTest frequency bandwidth: 5Hz-3500MHzSampling time: about 0.4 secondsWorking temperature: 0~50Working humidity: relative humidity less than 80%Working voltage: DC4.5VPower source: AAA1.5V*3pcs (not included)Dimensions: 152 x 52 x 26.5 mmMaterial: plasticColor: blackPackage Contents:1 x Radiation DosimeterNote: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.