【Vivid Lightning Arc & Music Sync Experience】：Produces a stunning artificial lightning arc that dances in sync with your favorite music, delivering a mesmerizing combination of visual and auditory enjoyment. 【Compact Durable Desktop Design】：Features a space-saving, portable design, perfect for desktop placement or on-the-go use. Constructed with a high-quality copper coil and integrated aluminum heat sink, it ensures efficient heat dissipation, preventing overheating. 【Dual-Mode Operation】：Supports two flexible operation modes: square-wave music playback and manual control. You can freely adjust frequency and pulse width to create customized lightning arc effects. 【Safe & Stable with Built-In Protection】：Engineered with multiple safety protection mechanisms, including overheat prevention and arc ignition detection, ensuring worry-free use even during prolonged operation. 【Ideal Educational Tool & Unique Gift】：Serves as an excellent teaching aid to spark interest in electromagnetism and wireless energy transfer, making it perfect for classrooms, home science projects, or STEM learning.