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

Shear LocksElectromagnetic Lock

DOOR WINDOW HARDWARE COMPANY
Region: Taiwan
Update: 11/20/2006
Key Specifications
1.Compact, Mini Design: 100mmI x 30mmW x35mmH (4" x 1.2" x 1.4")

2.US Patented Nr. US6.722.715B1

3.Relock facility time actuated by sensor up to 100 setries

4.Adjustable time delay from 0 to 30 seconds

5.Equipped with position & lock sensor

6.Microprocessor controlled

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