1. Durable: workmanship guarantees good performance, high precision, simplicity, high quality, dexterity and precision, fine workmanship, and outstanding performance 2. Connection converter accessories based on the automatic leveling sensor of the open source 3D printer, 3. Strong applicability, wide compatibility, and can be adapted to a of 3D printers Due to different production batches, there may be certain differences in the products, which will not affect the use of functions Material:plastic colour:As shown Package Contents: 1 * Sensor connection converter kit 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.