Features: This electromagnetic radiation detector features high precisions sensors and precisions circuit design, allowing for accurate measurement and analysis of electromagnetic radiation level in the environment. With support for multiple frequency bands, including wirelessnetworks, mobile communication, and microwave ovens, this product is suitable for monitoring different environments and devices. Idealfor individuals concerned about electromagnetic radiation safety at home, such as parents preparing a nursery or workspaces, as well as individuals who are sensitive to electromagnetic field. Perfect for office buildings, laboratories, and other workplaces, this detector helps managers monitors and control radiation level in the environment. Whether it's evaluating and improvings electromagnetic radiation in bedrooms or living rooms, this detector provides valuable insight for creating healthier living environments. Specifications: Material:ABS, Electronic Component Size:Approx.73x170x33mm/2.87x6.69x1.3inch Color:Black Package Includes: 1x Electromagnetic Radiator Tester note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.