Five-in-One Detection: Simultaneously measures radio frequency field intensity, electric field strength, magnetic field strength, temperature, and humidity, providing comprehensive detection of electromagnetic radiation. Multifunctional Design & Intuitive User Interface: Features sound alarms, lock screen/data locking, radiation level assessment, and battery level indication functions. With dual-style display interfaces switchable design, support to view the trend graph of 5 groups of parameters, you can visualize the trend of data changes. High Capacity Battery & Long Usage Time: Equipped with a large 2000mAh battery for extended use and supporting rechargeable via a convenient Type-C port. Customizable Settings and Alerts: Allows users to customize settings such as sensor calibration, backlight brightness, device shutdown time, display shutdown time, sound, time, and language. Supports alarm threshold setting function when the detected value exceeds the set value the corresponding font color turn red to remind you that the current radiation level is high. Versatile Applications: Suitable for various environments, including industrial facilities, homes, offices, signal towers, and household appliances such as microwaves, ensuring a and healthier living and working environment. Colour:black Material:plastic Package Contents: 1 * Electromagnetic Radiation Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.