สินค้าหมดชั่วคราว (Temporarily out of stock) ไม่พร้อมจำหน่าย
The A131 is a compact and easy to install high output 131dB electronic siren which is ideal as a plant alarm to cover outdoor locations, areas with high background noise or smaller COMAH (Seveso II) applications that have sound coverage requirements of up to 300m.