Feature: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.Specification:Condition: 100% Brand NewItem Type: BLTouch Auto Bed Leveling Sensor KitMaterial: Aluminum + Plastic Model: BL-Touch transfer accessoriesFunction: Transfer BL TOUCH to silent motherboard V4.2.7Application: Fit for Ender-3 / for CR-10 silent motherboard V4.2.7Note: 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 up2. Installation should be kept away from magnetic components such as strong magnetic force, motors and&