1. The electromagnetic radiation tester successfully tests the compatibility of electric field radiation and magnetic field radiation, and achieves the best test results2. Test and understand the current state of electromagnetic radiation in indoor and outdoor environments3. The product has a built-in electromagnetic radiation sensor, which is processed by a -control chip4. LCD digital display radiation value5. Reasonably handle or effectively avoid electromagnetic radiation and electromagnetic waves according to the test results.parameter:To measure the electric field:Range: 1V/m-1999V/mAlarm : 40V/mResolution: 1V/mTo measure the magnetic field:Range: 0.01T-99.99TAlarm : 0.4TResolution: 0.01Tmeasure temperature:Range: -10~70Reading display: 3-1/2 digit LCD displayTest bandwidth: 5Hz-3500MHzSampling time: about 0.4 secondsWorking temperature: 0~50Working humidity: 80% relative humidityWorking voltage: DC4.5VPower supply: AAA1.5V*3PCS (not included)Weight: 125gEMF meter real-time measurement features:1. machine is multi-, and can detect electric field, magnetic field, radiation, temperature at the same time2. Sound and light alarm, automatic alarm when the safety is exceeded3. Data lock, one key to lock the radiation value4. LCD graphic display radiation value trend5. Radiation assessment, intimately reminding whether the current radiation value is safe6. appearance, one-handed operation, convenient for moving or measuring websitesSize: 152 x 52 x 26.5mmMaterial: ABScolour: blackPackage Contents:1 x Radiation Dosimeter1 x English manulOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.