The Aluminum 3D Printer Parts Filament Break Module Detector Sensor is a red-colored sensor designed to detect when the filament runs out, allowing the 3D printer to automatically pause and alert the user to replenish the filament. With compact dimensions of 6.97x2.99x1.65 inches and weighing only 0.15 pounds, this sensor is lightweight and easy to install in a 3D printer setup. It provides a reliable and convenient solution for preventing filament runouts during printing, ensuring continuous and smoother printing processes.Direct replacement for CR10-S Pro v1 v2 and more!