Jrifedptry 1.75mm Filament Detection Run Out Pause 3D Printer Monitor Sensor Module

is a very practical filament detection sensor module, Prefect accessories for 3D printer, making your printing work smooth and relieved. Wear- copper sets added in both the inlet and outlet to effectively extend the product life. To check the filament is whether run out or not, it automatically pauses the 3D Printer when the filament runs out, so you have a chance to supplement the filament which makes sure you 't print a incomplete printing. Newly designed smart module for detecting the status of the use of filament. Easy to install, and work steadily and in use.