https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
SED-0102 Glass Break Sensor

SED-0102 Glass Break Sensor

SHINCLUSTER ELECTRONICS CO., LTD.
Region: Taiwan
Update: 11/06/2008
Key Specifications
This sensor is applied to protect user''s life environment and security transmitter.

Features:

1.Employs piezoelectric ceramic sensor and therefore can detect glass breaking and trigger alarm.

2.3 ??able housing color (grey / off-white / brown) and flexible mounting.

3.Connect with control panels without adding external power.

4.Easy and quick mounting.

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions