Automatic Leveling Bed Sensor White with 3D Printer PTFE Tube Brass Nozzle for Ender-3 Item Type: Automatic Leveling Module Material: Stainless steel + ABS Applicable Models: For Ender-3/Ender-3pro/Ender-5/Ender-5pro Feature: 1. The main function and control are the same as the usual automatic bed leveling sensor, which is composed of RC servo and micro switch. Therefore, it can be applied to all boards 2. Self-test: When the power is turned on, the pushpin is operated twice during the test 3. Alarm: If a problem is found during self-check or operation, the LED indicator will flash, bad wiring 4. Indicator light: blue and red LED indicates bad wiring 5. Easy e: This automatic bed leveling sensor makes it easier to level the hot bed. It can accurately measure the inclination of the bed surface. Flat bed is no longer a problem 6. Intelligent self-checking alarm: The automatic leveling function is adopted to make the use easier and improve the forming power.