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 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 display clearly indicates magnetic field strength, allowing continuous monitoring, 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 comes equipped with an antenna for improved performance. The UV flashlight features 51 UV LED lights, providing a broad irradiation area. Ideal for outdoor adventures, inspection tasks, and household use, it helps reveal various materials that fluoresce under UV light. To install batteries, simply unscrew the bottom cap, remove the battery compartment, and insert your batteries (batteries not included). This equipment kit is straightforward and user-friendly, suitable for those new to environmental field exploration as well as enthusiasts looking to expand their toolkit. Color: As shown Material: Metal + Plastic Package Contents: 7 pcs x Hunting Equipment Note: Light reflection and different displays may cause slight variations between the item color in the picture and the real one. Measurement allows an error of +/- 1-3 cm.