Two selectable differential input channelsOn-chip active low noise PGA with selectable gain of 3264 and 128On-chip power supply regulator for load-cell and ADC analog power supplyOn-chip oscillator requiring no external component with optional external crystalOn-chip power-on-resetSimple digital control and serial interface: pin-driven controlsno programming neededSelectable 10SPS or 80SPS output data rateSimultaneous 50 and 60Hz supply rejectionCurrent consumption including on-chip analog power supply regulator: normal operation Less than 1.5mApower down Less than 1uAOperation supply voltage range: 2.6 ~ 5.5VOperating Temperature Range:-20 degree ~ +85 degreeWiring method: positive (E+) red, power negative (E-) black, signal positive (S+) green, signal negative (S-) whitecolor:SilverMaterial:MetalPackage Contents:4 x 1kg load cell weight sensor4 x HX711 AD modulesOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.