It includes 1 portable radio (battery included), 1 EMF meter (battery included), 1 UV flashlight (batteries not included), and 4 LED light-up pet cat balls (batteries included). This comprehensive kit is designed for detecting electromagnetic fields and UV illumination, providing a user-friendly and reliable set of tools for various applications. Unveil hidden electromagnetic radiation with the detector. It can detect frequency ranges from 50Hz to 20,000Hz, offering a wide spectrum for field detection. With dual-use functionality, it measures both electric and magnetic fields simultaneously. The visible five-light indicator system displays measurement values, allowing continuous monitoring of field status, even in low-light conditions. The portable radio is compact, easy to carry, and features high reception sensitivity. It responds quickly to signals within the 87.5108 MHz FM band, delivering clear audio through the built-in speaker. The device is equipped with an antenna for improved signal reception. The UV flashlight features 51 UV LED lights, providing a broad irradiation area. Ideal for outdoor use, inspections, and cleaning tasks, it helps reveal certain materials, stains, or fluorescent markings. To install batteries, unscrew the base, insert the required batteries (not included), and reassemble. This equipment kit is straightforward and user-friendly, suitable for both beginners and experienced users interested in field detection and exploration. Color: As shown Material: Metal + Plastic Package Contents: 7 pcs x Detection Equipment Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement may vary slightly due to manual checking.