Three parameters are detected simultaneously, fast detection of intensity, electric field intensity, and magnetic field intensity, and the data are displayed at the same interface, and it indicate whether the three data exceed the criteria. Equipped with the current radiation level grading function, 3 different colors correspond to different current radiation levels, allowing for a more accurate and graphical understanding of the current environment. Features: Compact, and portable, with a built-in high-accuracy chip, it is practical and reliable to use. With a large, clear-definition color screen and large, colorful font design, it can easily cope with dim and bright environments to give you a more comfortable experience. There is a sound alarm function, where a buzzer sounds an alarm when data is detected exceeding the standard, and there is a mute button to turn off the sound. Multifunction design, with lock screen (data lock) function, supports the display of maximum value and average value. Multi-scene applications, this product can be widely used in kitchens, high voltage equipment, homes, offices, factories, etc.