ITEM NAME:ADS1115 4 Channel 16 Bit I2C ADC Module with Pro Gain Amplifier for Arduino B7C4 ADS1115 4 Channel 16 Bit I2C ADC Module with Pro Gain Amplifier for Arduino B7C4 size:2.0*1.2CM/0.79*0.47 inch material:CCL colour:blue packing:1*ADC Module Note: Light shooting 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.