Features ABS Material Our electromagnetic field radiation detector is made of ABS material, exquisite craftsmanship, can achieve stable use. High Precision Sensor The detector has a built-in high-precision electromagnetic radiation sensor, and the microcontrol chip processor can quickly and accurately measure the value of electromagnetic radiation. Sound and Light Alarm This electromagnetic field radiation detector has sound and light alarm function, two-use machine, electric field and magnetic field can be measured together. Battery Type: This electromagnetic field radiation detector uses lithium batteries, making it more convenient to use. LCD Screen: Our electromagnetic field radiation detector uses an LCD screen with a large HD screen, so you can read the value faster. Specification: Item type: electromagnetic field radiation detector Material: ABS Battery type: lithium battery Package list: 1 x electromagnetic field radiation detector. Package List 1 x Electromagnetic Field Radiation Detector