Trimble® Active Track 360 Target The Trimble® Active Track 360 Target (AT360) is a compact active tracking target and 360 prism engineered to deliver dependable robotic total station performance in demanding field environments. Combining Trimble Active Tracking™ technology with a highly visible 360° reflective target , the AT360 provides fast prism acquisition, reliable target lock, and smooth robotic tracking for surveying and construction layout applications. It also functions as a passive 360 prism , making it a versatile solution for everyday field workflows. Key Features Trimble Active Tracking™ Technology improves robotic target acquisition and tracking performance. 360° Reflective Target with +22 mm prism constant supports accurate measurements from virtually any direction. Tracking Range up to 500 m (DR Plus) , 100 m (DR HP) in active mode, and 350 m passive under normal conditions. Lightweight Design weighing only 0.63 kg including battery. IP55 Rated for dependable operation in challenging field conditions. Standard 5/8 x 11 mount for compatibility with standard surveying poles and accessories. Compatible With Compatible with Trimble S Series robotic total stations utilizing Trimble Active Tracking™ technology and standard 5/8 x 11 prism mounting systems .