Filament run-out sensor for 1.75mm filament

This filament run-out sensor for 1.75mm filament detects an empty coil in time and ensures that your prints never fail again!

The product comes with a 100cm long wire:

• Red - + 5/3V
• Black - Ground
• White - Signal

The sensor has a clear arrow marking for the direction of the filament and is very sensitive so that the filament will be detected quickly. The sensor can be easily mounted through the two 3mm holes.