Features Sound and light alarm, when detecting the radiation exceeds the safety value, it will automatically trigger an alarm to protect your health and safety. High-definition LCD screen, which can display the trend of radiation value through graphs, so that the fluctuation of radiation can be seen more clearly. Multifunctional, it can simultaneously detect the radiation of electric and magnetic fields, perform radiation evaluation, and intimately remind whether the current radiation value is safe. Data lock, it can easily lock the radiation value with one key, and it is convenient to measure and record data. Elegant appearance, it can be easily operated with one hand, convenient for mobile or on-site measurement, and can be used for measurement in various situations. Specification: Item Type: Radiation Detector Model No.: ET825 Material: ABS Power supply: 3 x 1.5V AAA batteries (batteries not included) Application: It is suitable for electromagnetic radiation testing. Monitoring places: It can detect radiation in homes, offices, outdoors and industrial places. Test elements: It can perform radiation tests on mobile phones, computers, TVs, refrigerators and high-voltage lines. Inspection of radiation protection products: it can test the effects of radiation protection clothing, radiation protection films and other protective equipment. Package list: 1 x radiation detector (battery not included) 1 manual. Tips: 1. Since there may be electromagnetic field interference in the environment, the instrument may have small readings when it is turned on, and it is not that the instrument is malfunctioning. 2. For high-voltage installations, long distance measurement is sufficient, do not forget to pay attention to safety. Package List 1 x Radiation Detector (Battery Not Included) 1 x Manual