ABS, silicone and acrylic are combined to give the product a good grip, IP54 protection level and shock resistance. The selected material has little pollution to the environment. This equipment can be used to monitor electromagnetic radiation environment in the field of environmental protection. The equipment adopts white and gray as the main colors, and is aided by transparent lamps to indicate whether the above standards are exceeded, thus enlarging the visual Angle of indicator lights. The equipment adds rubber material to improve the anti-fall performance and grip. It can accurately measure the electromagnetic field intensity in the space and transmit it to the mobile APP via bluetooth for safety assessment. At present, the equipment in the market is not friendly to users in size and appearance. The equipment designed this time is to break the traditional barriers and introduce the new aesthetic and interactive methods into the instrument industry.