Industry-Electronics 4duino Küchenwaagen Sensor für 3kg Messgewicht Product Model: OKY3480 Load Cell 3KG Amplifier Digital Portable Electronic Kitchen Scale Weight Weighing Sensor Product Description One end of the sensor through the screw hole is fixed, and the other end left floating state, applying a gravity direction according to label directions. Particular attention must not directly pressing the white plastic cover part, so as not to disrupt the sensor.