EMF Meter EMF Detector Colorful LED Light For Home Appliances Feature:1. Easy To Read: Colorful LED lights make readings visible and clear in the day or in the dark.2. Portable: The radiation tester is easy to carry around because it fits in your pocket or bag.3. LED Light: lighting 5 LED indicators, adequately representing different radiation values, easy to use.4. High Efficiency: The LED magnetic field test bench is reliable, robust, effective, and highly sensitive.5. Safe: Measures levels to prevent potentially harmful long-term overexposure to EMF, protecting you from radiation and good for your health. Specification:Item Type: EMF DetectorBattery: ABS, You can mention them: 5%Product Size: About 14x5x3cm/5.5x2x1.2 inchDetection Range: 0 to 20+ milliGaussDetection Frequency: 50/60Hz (50 to 1000Hz-ELF)(1000 to 20000Hz-VLF)Battery: 1 x 9V 6F22 800mAh Battery (Comes with Built-in Battery)Weight: About 120g / 4.2ozPackage List:1 x EMF Detector1 x User Manual Usage:Press the switch, to use Five Weights:The first light shows the normal EMF field,The range is 0 to 1.5 mGDought light (green) detects low EMF,The range is 1.5 to 2.5 mG.The third light (yellow) can detect intermediate EMFow range is 2.5 to 10 mG.The fourth light (orange) can detect advanced EMFsac is 10 to 20 mG.The fifth light (red) shows extremely high EMF, red 20 + milliGauss.