It includes 1 portable radio (battery included), 1 EMF meter (battery included), 1 UV flashlight (no battery), and 4 LED light-up pet cat balls (battery included). This comprehensive kit is designed for detecting electromagnetic fields and providing reliable performance, ensuring a user-friendly experience for those beginning their exploration journey. 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 display provides real-time feedback on magnetic field status, 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 o 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 is a versatile tool for identifying substances, checking materials, or detecting residues. To install, simply unscrew the bottom, remove the battery assembly, and insert batteries (batteries not included). This equipment kit is straightforward and user-friendly, suitable for both beginners and experienced users interested in environmental detection and field analysis. Color: As shown Material: Metal + Plastic Package Contents: 7 pcs x Detection Equipment Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1–3 cm.