[High Precise] V2.0 Smart Filament Sensor adopts High Precise Photoelectric induction technology, More accurate detection, detection length 2.88mm, and upgrade add Filament Feedling lever, for easy flexible filament loading.[Real Time Status Light indication] Filament runout sensor upon detecting nozzle clogging, filament runout, filament tying, and extruder malfunctions, Filament Runs out or is broken, V2.0 will provide corresponding lights for different issues and issue error alarms on the screen in a timely manner and automatically pauses printing, save resources.[Upgrade of Bi-Directional Feeding] Smart Filament Sensor V2.0 unlimited by the installation direction of filament, eliminates concerns over orientation, enabling quick, easy installation and flexible positioning to maximze space.[Wide Compatible] Smart Filament Runout Sensor V2.0 support Klipper//RRF Firmware, different firmware, different screen reminder interfaces, supports any motherboard with available I/O ports, (Endstop filament detection, BLtouch, induction sensor).such as SKR MINI E3 V3.0.Octopus V1.1/Octopus Pro, SKR V1.4 turbo, SKR 3, SKR Pico, Manta M4P/M5P/M8P motherboard (Notes: Please consult our technical support before using the motherboard without filament runout port)[Easy install and user] V2.0 Smart Filament Sensor designed with 3 mounting holes on the back, for easy to installation mounting to printer using bracket, support for direct-drive extruders and Bowden extruders.(For specific wiring and firmware changes, please refer to Github for instructions)Material: plasticcolour: BlackPackage Contents: 1 x Filament SensorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.