https://www.asmag.com/download/2026-hikvision.pdf
Product Info
DG55 Dual Element Digital Motion Detector

DG55 Dual Element Digital Motion Detector

Paradox Security Systems.
Region: Canada
Update: 05/15/2007
Key Specifications
Features :

* Dual element sensor

* 12m (40ft) X 12m (40ft); 110 viewing angle

https://www.asmag.com/project/resource/index.aspx?aid=24&t=isc-west-2026-news-and-product-updates