Large Color Display: Large color screen with backlight brightness adjustment function. Clear definition with large and colorful font design, real-time display test data, it can easily cope with dim and bright environments to give you a more comfortable experience. Multi-parameter Detection: Electromagnetic radiation detector can simultaneously detect three parameters (high-frequency intensity, electric field intensity, magnetic field intensity), providing a comprehensive radiation detection, making it more practical. Radiation Level Assessment: The device has a radiation level assessment function, which can quickly detect and assess the radiation level. If the detected item exceeds the standard, the corresponding font color will turn red to remind the user. Trend Graph Function: Electromagnetic radiation detector with trend graph function, the user can intuitively view the trend of data changes, a better understanding of the changes in radiation levels. Multiple Functions and Parameter : The device has lock screen/data lock, battery level indication and other functions. At the same time, the system can be diversified, including shutdown time setting, language switching, screen brightness adjustment, button sound adjustment, sound alarm, etc., you can also manually set the alarm value of three parameters to meet the user's individual needs., Manufacturer: MMHHHG