The Ender 3 ABL set is only applicable to the complete automatic bed leveling set of the Ender 3 Ender 3 PRo 3D printer.Suitable compatible with all printing surfaces, glass, aluminum substrates and removable architectural surfacesComplete and easy programming of firmware and installation instructions, with all required software and compiled binary .hex filesThe capacitive sensor can be used on any printing surfaceThe custom shell can place pre-wired electronic equipmentOur sensor is photoelectrically isolated. Therecompatible withe, unlike the diode or resistor setting, you don't have to risk burning the printer motherboard when a failure occurs.The sensor has been connected to the optical isolation module, you only need to connect 2 wires and replace the z-min connector.Including an icsp programmer compatible with burning firmwareU disk content: firmware, burning software, installation and use instructions, drivers, etc.Product name: Auto-leveling sensor kitSpecification: ABL hot bed automatic leveling sensorSuitable compatible with: Creality Ender 3/ 3 Pro printerColour: as shownMaterial: ABS+metalPackage Contents:1 x ABL hot bed automatic leveling sensor kitOnly the above package content, other products are not included.Note: Light shooting 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.