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 interested in environmental exploration. Unveil hidden electromagnetic radiation with the included detector. It can detect frequency ranges from 50Hz to 20,000Hz, providing a wide spectrum for field detection. With dual-use functionality, it measures both electric and magnetic fields simultaneously. The five-light indicator system displays measurement values, allowing continuous monitoring of field status, including in low-light conditions. The portable radio is compact, easy to carry, and features high reception sensitivity. It quickly responds to signals within the 87.5–108 MHz range, delivering clear audio through the built-in speaker. The device is equipped with an antenna for improved signal reception. The UV flashlight features 51 UV LED lights, offering a broad irradiation area. Ideal for outdoor use, inspections, and various detection tasks, it is a versatile tool for identifying substances, mineral findings, or organic 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 field detection. Color: As shown Material: Metal + Plastic Package Contents: 7 pcs x Hunting Equipment Only the above package content is included; other items are not part of the sale. Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement allowance is +/- 1–3 cm. Note: Due to lighting and screen setting differences, the item's color may vary slightly from the pictures. Please allow minor dimensional differences due to manual measurement.