BL Touch, Official Creality BL Touch V3.1 New Upgraded 3D Printer Auto Bed Leveling Sensor Kit for Ender 5/Ender 5 Pro/Ender 3/Ender 3 Pro/Ender 3 V2/CR 10 with 32 Bit V4.2.2/V4.2.7 Mainboard

Features: A: The main functions and controls of BLTouch are the same as the usual auto bed leveling sensor, which consists of an RC servo and microswitch. Thus, BLTouch can be applied on almost every board. B: Self-test: The push pin operates two times in a test when the power is on. C: Alarm: The LED light blinks if a problem was found on a self-test or during operation D: Wiring defect indicator:Blue and Red LED for indicating wiring defects. Compatiblity: This new upgraded Creality BL Touch works for Creality Ender 3 V2/Ender 3/Ender 3 Pro/Ender 3S/Ender 3 MAX/Ender 5/Ender 5 Pro/CR-10 with 32 bit V4.2.2 or V4.2.7 mainboard (Note: ONLY for 32-bit motherboard 3d printers mentioned above). With 3 kinds of install racks for different model's printer. Easy to Use: This auto bed leveling sensor makes it easier to level the hotbed, which can precisely measure the tilt of the Bed surface. Bed leveling is not a problem anymore. Intelligence self-check and alarm: The function of auto leveling is adopted to make it easier to use and to increase the success rate of shaping. Wide application: Compatible with ABS, PLA, glass, metal, plastic and all materials.Support more filaments and apply to every control board of 3D printer