Features: Ensuring uninterrupted printing with real time filament monitoring and alerts for shortage. Featuring easy installation, this filament runout sensory automatically pauses prints upon detecting feed issues, minimizing waste and downtime during complex printing projects. Designed for makers, prototyping engineers, and small scale manufacturers requiring continuous printing reliability, this essential printer accessory prevents failed prints in educational labs and production workshops. Maintain optimal component flowing during overnight printing, multi day manufacturing batches, or unattended operations with this automated filament detection for printers. Engineered with detection technology, this printer filament sensory delivers dependable across various component, optimizing your printing experience. Specifications: Component:ABS Size:Approx.1.97x1.18inch Package Includes: 1 Set Filament Runout sensory note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.