诱惑声 (集鸟声) Pooling Sound - Thai

此系统可通过屋顶的六角发射器，集鸟诱燕声在无阻挡下向四面八方发射。
此强力诱燕集鸟声，可刺激方圆燕群集合于燕屋屋顶处。
 
The pooling sound system able to attract birds from radius 1KM come to visit and play at the rooftop's roving area.