Features: Small size, simple structure. Through the Hall effect control, provides high precision leveling. Intelligent 3D printer automatic leveling sensor based on open source, making leveling easier. With a compact and simple structure, it can be easily applied and makes the printing experience better. Intelligent self check, LED alarm, high precision, give you a pleasant printing experience. Compatible with Creality Ender-3/3S/V2, Ultimaker 2, Anycubic mega, Kossel, wanhao i3, etc. Specifications: Material: PC Voltage: 5V Current: 15mA Max. Current(Peak): 300mA Cable Length: Short: 200mm Long: 1000mm Wire: 3pin: Green: -,GND; Red: +5V; Orange: Signal Cable 2pin: Black: -,GND; White: Zmin Package Size: 15 * 10 * 2cm / 5.9 * 3.9 * 0.8in Package Weight: 157g / 5.5oz Packing List: 1 * Auto Leveling Kit