Specifications Model TJ 56 678Operating Voltage DC 5V 5 5mm DC socket Circuit Board Dimension 50mm x 41mmOverall Dimensions 99mm x 59mm x 164mmNote This is a DIY kit you need to assemble and solder Features 1 Innovative Application of Hall Effect PrincipleThe product utilizes a Hall sensor to detect the magnetic field and generate a feedback loop that powers the electromagnetic swing for continuous motion 2 Educational DIY KitPerfect for science enthusiasts and students this hands on assembly kit effectively demonstrates the principles of electromagnetism and electronics 3 High Precision DesignCompact size with thoughtfully designed dimensions ensures accurate functioning and enhances the aesthetic appeal of the assembled setup 4 Easy to Assemble StructureComes with pre drilled holes and clearly labeled components making it user friendly for individuals of all skill levels 5 Stable Operation MechanismIntegrated circuit board and high quality electromagnet provide consistent performance ensuring a smooth and reliable oscillatory motion Package Included 1 x Electronic Swing DIY Soldering Kit