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 exploring environmental phenomena, providing a user-friendly and reliable set of tools for both beginners and experienced users.Uncover hidden electromagnetic radiation with the included detector. It detects 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 five-light indicator system provides visible measurement levels, allowing you to monitor magnetic field status at all times, 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 has a reception range of 87.5–108 MHz, is fully functional, and comes equipped with an antenna.The UV flashlight features 51 UV LED lights, delivering a broad irradiation area. Ideal for outdoor adventures, inspection tasks, and household use, it is a versatile tool for identifying stains, verifying documents, or detecting certain materials. To install batteries, simply unscrew the bottom, remove the battery compartment, and insert your batteries (batteries not included).This equipment kit is straightforward and user-friendly, suitable for those beginning in environmental detection as well as enthusiasts looking to expand their toolkit.Color: As shown Material: Metal + Plastic Package Contents: 7 pcs x Detection Equipment Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1–3 cm. Only the items listed above are included; other products are not part of this package.