The utility model relates to a small -size strong magnetism reflection of light windmill drives bird ware belongs to overhead transmission line and prevents bird pest technical field. Technical scheme is: base (14) upper end is equipped with support fastening platform (19), and the lower extreme is equipped with magnet and deposits recess (23), and strong magnet (20) matching sets up in recess (23) are deposited to magnet, and strong magnet passes through magnet fixing bolt (21) and fastens mutually with base (14), the bottom mounting of support (7) is on support fastening platform (19), supporting arm support (2) are hollow structure, and the cover is established in bearing sheath (17) outside, support arm one end sets up in supporting arm support's side perpendicularly, and the other end is equipped with wind bowl (4), is equipped with reflector (5) in the wind bowl, and copper bell (10) hang on the support arm. The utility model discloses a positive effect: can reflect sunlight and moonlight, can send the tinkle of bells again, longe -lived, use the ferromagnetic material installation, dismantle convenience, mounted position, the installation direction is unrestricted, small, the quality is light, with low costs.