1Small size and simple structure, through Hall effect control, provide high-accuracy leveling. 2This product is a smart 3D printer automatic leveling sensor, which can accurately measure and adjust the distance between the base plate and the printer nozzle. 3Automatic leveling is achieved through the cooperation between the leveling sensor h device and its firmware. 4Can be easily applied to make the user's printing experience better, once installed, the printing experience can be upgraded 5This product can make it easier to set up the printer base, allowing you to focus on achieving inspiration instead of leveling. Item Type: Automatic Bed Leveling Sensor KitMaterial: ABSPurpose: 3D printer leveling kitProduct Voltage: 5VProduct Current: 15mAMaximum (peak) Current: 300mAShell Color: White translucent 1 x Auto Bed Leveling Sensor1 x Connection Line2 x Pin Socket2 x Screw2 x Nut1 x Pin Header