• Open track, easy to start, just dial by hand, intuitive visual sense, easy to understand the demonstration.
• The coil is made of high temperature enameled wire, low power, low heat, no rust, long service life.
• Adopting stainless steel wire to make the ring track, fast reaction speed and smooth running.
• Precision circuit board, each coil a separate circuit board, do not affect each other, low voltage and reliable.
• The back acrylic plate is the base plate, the support position is connected with the card buckle, the overall structure is sturdy and durable.