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, making it suitable for users who are beginning their exploration journey. The tools are user-friendly and built for practical use. 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 five visible LED indicators provide real-time feedback on magnetic field levels, remaining readable 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 output through the built-in speaker. The radio's reception range is 87.5–108 MHz, and it comes equipped with an antenna for improved performance. The UV flashlight is embedded with 51 UV LED lights, providing a broad irradiation area. Ideal for outdoor adventures, inspection tasks, and household use, it serves as a versatile tool for identifying substances, checking materials, or detecting stains. To install, simply unscrew the bottom, remove the battery assembly, and insert your batteries (batteries not included). This equipment kit is straightforward and user-friendly, suitable for both beginners interested in learning about field detection and experienced users looking for dependable tools. 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 allowance is +/- 1–3 cm.