Features: The SGM58031 16 bit 4 channel ADC conversion module delivers laboratory grade precisions with 0.0015% resolution. Supporting simultaneous multiple sensoring monitorings through its I2C interfaced for seamlessly integration. Engineered with a wide 2V 5.5V power ranging and with voltages references, this module achieves high conversion accuracy during active sampling. Ideal for electronics engineers, developers, and enthusiasts requiring proanalogs signal processing in industrial automation and portable instrumentation projects. Perfect for environmental monitoring systems, multiple channel sensoring arrays in robotics, and precisions measurement setups requiring space efficient data acquisition solution. Specifications: Item: SGM58031 16bit 4channel ADC Conversion Board Size: about 27.6x16.6mm/1.09x0.65in Power ranging：2V 5.5V Support: I2C ADC Package Includes: 1PC SGM58031 16bit 4channel ADC Conversion Board note: Due to problem of lighting effect, there is certain tolerances in product, please understand. Please allow 0-1cm error due to measurement.