1、Strong compatibility, intelligent self ‑ check, easy and convenient to apply to printer. 2、Compact size, easy to install on 3D printer. Makes it easier to level off a hot bed. 3、An auto‑leveling sensor for 3D Printers that can precisely measure the tilt of the bed surface. 4、Adopt automatic leveling function, more convenient to use, improve the success rate of shaping. 5、Can be used with any kind of bed material, such as glass, wood, metal, etc. Condition: 100% Brand New Item Type: BLTouch Auto Bed Leveling Sensor Kit Material: Aluminum + Plastic Model: BL-Touch transfer accessories Function: Transfer BL TOUCH to silent motherboard V4.2.7 Application: Fit for Creality Ender-3 / for CR-10 silent motherboard V4.2.7 Note: Some 3D printer motherboards may need external 5V power supply due to insufficient power supply of 5V, which is manifested as difficulty in probe push out, or logic circuit protection during operation and main control restart.It is generally recommended to use the DC‑DC step‑down module to extract power from the main source if encountered. 1. Do not connect +5V and GND for a long time. The connection may burn up 2. Installation should be kept away from magnetic components such as strong magnetic force, motors and fans 3. Accidental impact on the probe plastic rod may damage or affect the detection accuracy 4. The setting screw for adjusting or reassembling the probe shall be applied with thread glue 5. Install probe to avoid shell deformation 6. Pulling the aluminum bar hard will damage or affect the detection accuracy 1 x Adapter Accessories 1 x Cable 1 x Support 2 x Cable Tie 1 x Wrench 4 x Screw