The 3D printer sensor can precisely measure the tilt of your surface. It can greatly improve the printing precision of your 3D printer. Features simple, smart and precise. It could work with nearly any kind of hot bed. You will have good use experience because of the perfect workmanship of this product. Features - Color: As shown. - Material: Plastic, aluminum alloy, copper wire. - Size: 4.10X2.60X1.20cm/1.61X1.02X0.47 inch. - Strong and stable structure, smooth surface, not worry about hurting your hands. - The 3D printer parts sensor adopts precise and accurate design appearance, easy and simple installation. - The wonderful workmanship will ensure its high performance as excellent 3D printer accessory. - Compact size and technology-intensive, the auto bed leveling sensor is practical and excellent. - Fine workmanship and creative appearance ensure its popularity and practicality. Package list: 1 x self-leveling sensor set