ITEM NAME:Gy-63 Ms5611-01Ba03 Precision Ms5611 Atmospheric Pressure Sensor Module Hei C4H9 Gy-63 Ms5611-01Ba03 Precision Ms5611 Atmospheric Pressure Sensor Module Hei C4H9 Built-in 24bit AD converter chip High quality Immersion Gold PCB, machine welding process to ensure quality Use Chip: MS5611-01BA03 Power supply :3-5v (internal low dropout regulator) Communication: Standard IIC / SPI communication protocol Module Model: GY-63-03 Size: 19mm * 13mm Name: MS5611 module (atmospheric pressure module) color: blue material: metal Package contents: 1* module.Built-in 24bit AD converter chip. Module Model: GY-63-03.