Made from ABS + PC material mix, the product is very beautiful with matte texture The inlet port/outlet port of the material detection module takes the rotating funnel opening design, which reduces the resistance of the feeding material Optimization of the position of the internal switch gear, and optimization of the position of the inlet and outlet channels The snap design between the base and the outer casing makes assembly easy The direction of the inlet position is silk screen, which is convenient for distinguishing the direction of the inlet and the outlet Name:Filament Break Detection Module Material:ABS + PC colour:black Package Contents: 4 * Broken wire detection 4 * cable Only 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.