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🛠️ Upgrade your 3D printing game—never lose a print to filament drama again!
The BIGTREETECH SFS V2.0 is a smart filament runout sensor featuring high-precision photoelectric induction technology with a 2.88mm detection length. It supports bi-directional filament feeding for flexible installation and real-time LED status alerts that automatically pause printing upon filament issues. Compatible with major 3D printer firmware (Klipper, Marlin, RRF) and a wide range of motherboards, it’s designed for easy installation on both direct-drive and Bowden extruders, making it an essential upgrade for reliable, uninterrupted 3D printing.

















| ASIN | B0C77J36T3 |
| Additional Features | High Precise Photoelectric Induction Technology, Real Time Status Light Indication, Bi-Directional Feeding, Wide Compatibility |
| Best Sellers Rank | #55,159 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #845 in 3D Printing Filament #890 in 3D Printer Accessories |
| Brand | BIGTREETECH |
| Brand Name | BIGTREETECH |
| Color | Black |
| Customer Reviews | 4.0 out of 5 stars 73 Reviews |
| Included Components | BIGTREETECH SFS V2.0 smart filament sensor |
| Item Diameter | 1.75 millimeters |
| Manufacturer | BIGTREETECH Direct |
| Manufacturer Part Number | BIGTREETECH |
| Model Number | BIGTREETECH SFS V2.0 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Special Feature | High Precise Photoelectric Induction Technology, Real Time Status Light Indication, Bi-Directional Feeding, Wide Compatibility Special Feature High Precise Photoelectric Induction Technology, Real Time Status Light Indication, Bi-Directional Feeding, Wide Compatibility See more |
| Unit Count | 1 Count |
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