Fy8812 Emf Meter Geiger Counter Nuclear Radiation Detector Radiation Dosimeter Electromagnetic Wave Practical EMF Meter: for measuring the electromagnetic radiation of household appliances.Wide Application: can be apply on household appliances such as , fan, induction cookers, etc.LCD Display with Backlight: 2-inch screen is and easy to read, you can manual ON/OFF the backlight.Data Hold & MAX Measurement: data retention and maximum value display, one key switchable.Torch & Unit Switching: auxiliary lights up the working area in the darkness, uT/mG unit switching.Compact Design & Solid Quality: convenient for one-handed operation, and has good quality for long time using.Electromagnetic Frequency Response Range: 5~300HzElectromagnetic Intensity Range: 0.1~199.9mGResolution: 0.1mGAlarm : 4.0mGAccuracy: 15%Electromagnetic Intensity Range: 0.01-19. 99uTResolution: 0.01uTAlarm : 0.4uTAccuracy: 15%Electric Field Strength Frequency Response Range: 4Hz~3.5GHzRange of Electric Field Strength: 1~1999V/MResolution: 1V/MAlarm : 40V/MAccuracy: 15%Temperature Range: -20~60Accuracy: 2Power Supply: 3 * 1.5V AAA battery (NOT included)Colour:As shownMaterial:plasticPackage Contents:1 x TesterOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.