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 (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. Unveil hidden electromagnetic radiation with the included 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-light indicator system provides visible measurement feedback, allowing continuous monitoring of field strength, 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 is equipped with an antenna for improved performance. The UV flashlight features 51 UV LED lights, delivering a broad irradiation area. Ideal for outdoor use, inspections, and various detection tasks, it is a versatile tool for identifying materials that fluoresce under UV light. To install batteries, simply unscrew the bottom cap, insert the required batteries (not included), and reassemble. This equipment kit is straightforward and user-friendly, suitable for those new to field detection as well as enthusiasts seeking reliable tools. 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 errors within allowable limits are possible.