Features: 
 ■ using advanced automatic tracking microcomputer technology, energy-saving effect is remarkable. 
 ■ Easy installation, maintenance-free. 
 ■ extend the life of power equipment motors. 
 ■ no harmonic interference on the grid, and can compensate for the power grid to improve power factor. 
 ■ reduce the high harmonics, effectively inhibit the instantaneous flow surges.