SMAKN&reg; Weighing Sensor AD Module Dual-channel 24-bit A/D Conversion HX711 Shieding Size:40mmx20mm/1.56"x0.79"(inch) (approx) Current consumption including on-chip analog power supply regulator: normal operation &lt; 1.5mA, power down &lt; 1uA Operation supply voltage range: 2.6 ~ 5.5V Operation temperature range: -40 ~ +85