What is the most advanced geomantic compass?

Electronic Feng Shui Compass, also known as Metaphysical Fan or Metaphysical Pocket Computer, is a metaphysical product that integrates Zhouyi, Buddhism and high technology, which was built by Shenzhen Yishanyuan Technology Co., Ltd. with high-tech talents for three years. At present, the second generation electronic geomantic compass of Xuanxuetong, which has been produced and sold well in Zhouyi, is a 5.0-inch handheld computer with a large screen. The second generation electronic geomantic compass is the perfect crystallization on the basis of the first generation of 3.5 inches. Using electronic compass technology from the United States, the error of traditional compass is between 5- 10 degree, and the accuracy of electronic geomantic compass is within 0.5 degree. The fuselage comes with GPS positioning function and laser directional light. The degree indication accuracy of the compass is not affected by the surrounding magnetic field, and it is powerful and comprehensive.