Leica Geosystems announced the expansion of its Leica BLK247 smart 3D surveillance system to accommodate the varying needs of its global customers. The Leica BLK247 is the world?s first 3D sensor combining LiDAR, video camera and thermal imaging technology for security and surveillance. Building owners, operators, security teams, and facilities managers can benefit from continuous monitoring of buildings and spaces including hospitals, factories, manufacturing plants, and offices.