Speed: 1000rpm4 Solar Lithium Battery 2 Sets of Painted Wire 1 Pressing Section with Strong Boron MagnetWill this group have this function to automatically reverse the receiving coil of the solar cell, when working, the solar cell is actively working, always the light in this position is sufficient, the current is very strong, attention, the installation of the device. The rotating shaft part of this apex must not be forced into a clear collision that can cause equipment failure. Because it is handmade, the fixed part is made of glass adhesive and tape, which is easily damaged. In most cases, this means that you have to manually add an external rotation and rest can be done with light. Color: Black Material: Acrylic + Copper + Metal Size: 130*76*75mm Package Contents: 1 * Motors Only the above package content, other products are not included. Note: The light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.