Features: Easily detect and measure electromagnetic field with the EMF Detectors. Stay aware of potential radiation exposure for healthier lifestyle. Equipped with 5 LED indicators, this digital detectors provide accurate readings for different level of radiation. It is user friendly and convenient to use in various environment. Suitable for individuals concerned about their well beings and lookings to minimize radiation exposure. Whether you're a parent and professional. Use the EMF Detectors home, in the offices, and while traveling. Test electronic device and appliances for safety. Stay informeds and make educated decisions about your environment with the EMF Detectors. Specifications: Material:ABS Color:Blue,Black,Redness,Green Power:1Piece 9V 6F22 Battery(not included) Size:Approx.167mm/6.57''x65mm/2.56''x37mm/1.45'' Package Includes: 1Piece EMF Meter 1Piece English User Manual note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.