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, providing a user-friendly and reliable set of tools to help uncover hidden electromagnetic radiation. The detector can sense frequency ranges from 50Hz to 20000Hz, 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 easy to read even in low-light conditions. The portable radio features high reception sensitivity and a built-in speaker. It responds quickly to signal changes within the 87.5108 MHz range and is equipped with an antenna for improved performance. The UV flashlight features 51 UV LED lights, delivering broad illumination ideal for various applications such as identifying stains, inspecting materials, or outdoor use. Simply unscrew the base, insert batteries (not included), and activate the device. This equipment kit is 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 Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowance: +/- 13 cm.