Features FOR MOST SURFACES: This self-levelling sensor can be perfectly applied to all surfaces, can automatically adjust flat surfaces, metal, wood, glass, etc., and has a wide range of applications. High accuracy: the work table has a high accuracy and a small error of about 0.005 mm, which can ensure the accuracy and stability of automatic leveling. Main purpose: automatic bed balancing kit that allows 3D printer to easily achieve automatic bed balancing, automatically detect the bed surface and adjust the perfect distance. Applicable model: this self-leveling sensor mount kit is suitable for Ender 3, for Ender 5 3D printers, with standard size, good compatibility and strong practicality. WITH CABLES: Includes 5P cable, small memory card extension cable and cable ties, easy to connect and attach these parts, efficient and reliable. Specification: Item Type: 3D Printer Self Levelling Kit Colour: transparent, black. Material: plastic. Applicable models: for Ender 3, for Ender 5 3D printer Package list: 1 x automatic level sensor. 1 x sensor mounting bracket. 1 x cable (1500 mm/59.1 inches). 1 x Memory Card Extension Cable 4 x screws. 1 x Allen key. 2 x cable ties. Small note: Because BLTouch must be installed vertically on the floor. If the for BLTouch pen cannot be vertical to the ground, the for BLTouch gives a wrong signal. Package List 1 x Auto Level Sensor 1 x Sensor Fixing Bracket 1 x Cable (1500mm / 59.1in) 1 x Memory Card Extension Cable 4 x Screws 1 x Hex Wrench 2 x Cable Ties