https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
MCD-500B  Walkthru  metal detector

MCD-500B Walkthru metal detector

Shenzhen MCD Electronics Co.,Ltd.
Region: China
Update: 08/19/2008
Key Specifications
Features:

1.12 zone?F

2.hand-operated switch ?F

3.LCD/LED display?F

4.Remote control for convenience?F

5.8 frequencies,frequency conversion?F

6.English menu

7.Frame light with sound,Warter proofing,Fire proofing

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