华是科技：公司自研生产的三维激光哨兵主要用于周界防范区域

Group 1 - The core viewpoint of the article is that the company, 华是科技, has developed a self-researched 3D laser sentinel primarily used for perimeter security, capable of detecting, tracking, and providing early warnings for intruding objects, thus contributing to smart security solutions [1] Group 2 - The 3D laser sentinel is designed to meet security needs in key locations, enhancing safety measures in critical areas [1]