Feature 1High Accuracy Sensor: The detector has a built in high accuracy electromagnetic radiation sensor, and the micro control chip processor can quickly and accurately measure the electromagnetic radiation value. 2Sound and Light Alarm: This electromagnetic field radiation detector has sound and light alarm function, one machine with two uses, electric field and magnetic field can be measured together. 3LCD Display: Our electromagnetic field radiation detector uses LCD display with large HD screen, so you can read the value more quickly. 4Battery Type: This electromagnetic field radiation detector uses lithium batteries, making it more convenient for you to use. 5ABS Material: Our electromagnetic field radiation detector is made of ABS material, exquisite craftsmanship, can achieve stable use.Item Type: ElectromagneticFieldRadiationDetectorMaterial: ABSBattery Type: Lithium battery . Package List1 x ElectromagneticFieldRadiationDetector