1.Product Name:HX711 Weighing Module 2.Working voltage:2.6-5.5V 3. Chip used: HX711 4. Two selectable differential inputs. 5. On-chip low-noise programmable amplifier with 32, 64 and 128 selectable gains. 6. Power-on auto-reset circuit, selectable output data rate of 10Hz or 80Hz. 7. Simple digital control and serial communication, all control by the pin input, without programming registers 8. With a metal shield and reserved microcontroller position 9. Interface type: 2.54mm pitch 10. Size: 28.6mm * 17.1mm (L * W)