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 beginning in field detection. Unveil hidden electromagnetic radiation with the included detector. It detects frequency ranges from 50Hz to 20000Hz, offering a wide spectrum for field use. With dual-use functionality, it measures both electric and magnetic fields simultaneously. The five-light display clearly indicates magnetic field levels, allowing real-time monitoring, even in low-light conditions. The portable radio is compact, easy to carry, and features high reception sensitivity. It quickly responds to signals within the 87.5–108MHz range, delivering clear audio output through its built-in speaker. Equipped with an antenna, it ensures strong signal reception for consistent performance. The UV flashlight features 51 UV LED lights, providing broad illumination coverage. Ideal for outdoor adventures, inspections, and household tasks such as identifying stains or verifying materials. To install batteries, simply unscrew the base, insert the required batteries (not included), and reassemble. This equipment kit is straightforward and suitable for both beginners and experienced users interested in environmental 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 allows for a small error.