GMW Ceramics Movement 360 &deg;Rotating Solar Energy Exquisite Cell Phone Jewellery Display Stand Rotating Turntable Jewelry Trays(black) This product uses high-performance monocrystalline solar panels, solar energy conversion efficiency up to 23%. Equipped with self-developed ceramic tray motor, friction is greatly reduced. Obviously bear the load, coupled with a full charge. Plus fully charged, rotating even more powerful, equipped with LED lights Are other products can not be compared.