Feature:1. Black filament runout detection module. High quality and durable.2. Compatible with Artillery Sidewinder X1, Artillery Genius 3D printer.3. When the filament is about to run out or break, start the alarm device, automatically suspend the current printing task, and remind the user to supplement the filament in time.Specification:Features:Black filament runout detection module. High quality and durable.Compatible with Artillery Sidewinder X1, Artillery Genius 3D printer.When the filament is about to run out or break, start the alarm device, automatically suspend the current printing task, and remind the user to supplement the filament in time.Specifications:Color: BlackPackage Size: 9.5 * 6.0 * 4.0cm / 3.7 * 2.4 * 1.6inPackage Weight: 28g / 1.0ozPacking List:1 * Filament Runout Detector Sensor Package List:1 * Filament Runout Detector Sensor