INA219 can be achieved within the maximum error accuracy 85C temperature range from -40C to + 1% , the maximum offset is 100 uV. The high-precision products combine the advantages of 12-bit resolution. This module can be sensed bus voltage range is 0 V to +26 V. Features: Package:SOT23 Working Voltage 3~5V Size:25.5 x 22.3mm Used for I2C port zero drift / bidirectional current / power monitoring sensor module