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 providing reliable performance, ensuring a user-friendly experience for those interested in environmental exploration. Unveil hidden electromagnetic radiation with the detector, which 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 provides real-time feedback on magnetic field levels, remaining easy to read even in low-light conditions. The portable radio is compact, easy to carry, and features high reception sensitivity. It responds quickly to signal changes and delivers clear audio through the built-in speaker. The radio's reception range is 87.5–108 MHz, and it is equipped with an antenna for improved performance. The UV flashlight features 51 UV LED lights, providing a broad irradiation area. Ideal for outdoor use, inspections, and various utility tasks, it helps reveal substances that fluoresce under UV light. To install, simply unscrew the bottom, remove the battery assembly, and insert batteries (not included). This equipment kit is straightforward and suitable for users interested in environmental field studies, catering to both beginners and experienced enthusiasts. Color: As shown. Material: Metal + Plastic. Package Contents: 1 x Portable Radio, 1 x EMF Meter, 1 x UV Flashlight, 4 x LED Light-Up Pet Cat Balls. 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 allows for a small error.