This HX711 amplifier module uses 24 high precision A/D converter chip hx711,2 selectable differential input channels. This weighing sensor amplifier module can use to be weight scales, kitchen scale, industrial process control etc. High precision electronic scale designwith two analog input channelthe internal integration of 128 times the programmable gain amplifier. High precisionlow cost, it is an ideal sampling front-end module. What you will get is: 2 X HX711 weight sensor AD module Note: Products with electrical plugs are designed for use in the US. Outlets and voltage differ internationally and this product may require an adapter or converter for use in your destination. Please check compatibility before purchasing.