詳細規格及用途描述

For protector, security use in garage, parking place, working area, store, corner of street,…etc.
A522: Diameter 20 cm, R: 300
A523: Diameter 30 cm, R: 600
A524: Diameter 40 cm, R: 600
A525: Size 33 x 55 cm, R: 1000