Mendocino Motor Magnetic Lift Model St41 Solar Educational Model

very strong, attention, of the device, handmade. group this function to automatically reverse the receiving coil of the solar cell, during its operation, the solar cell is actively working, the light always in this position is sufficient, the is important 4 solar lithium batteries 2 sets of painted 1 section iron powerful magnet : 1000 RPM The shaft part of it cannot be forced to be a collision, may cause equipment failure., Manufacturer: Energetic