Two selectable differential input channels On-chip active low noise PGA with selectable gain of 32, 64, and 128 On-chip power supply regulator for load cell and ADC analog power supply On-chip oscillator requiring no external component, with optional external crystal On-chip power-on-reset Simple digital control and serial interface: pin-driven controls, no programming needed Selectable 10SPS or 80SPS output data rate Simultaneous 50Hz and 60Hz supply rejection Current consumption including on-chip analog power supply regulator: less than 1.5mA in normal operation, less than 1μA in power-down mode Operating supply voltage range: 2.6V to 5.5V Operating temperature range: -20°C to +85°C Wiring method: excitation positive (E+) red, excitation negative (E-) black, signal positive (S+) green, signal negative (S-) white Color: Silver Material: Metal Package Contents: 4 x 1kg Load Cell Weight Sensors 4 x HX711 AD Modules Note: The package includes only the items listed above. Other products are not included. Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement error allowance is +/- 1-3cm.