Features: The GY63 MS5611 01BA03 barometric pressure sensors delivers high precise atmospheric measurements with ±1.5hPa accuracy, featuring double IIC/ SPI interfaces for seamless integration. Equipped with a 24bit converter chip, this compact 3V-5V compatible module ensures reliability data resolution across weather monitoring, altitudes tracking, and applications. Ideal for electronics engineers, drones developers, and weather enthusiasts requiring professional environmental sensing in projects or industrial equipment. Perfect for altitudes measurement in drones, weather stations calibration, HVAC systems monitoring, and portable devices needing low power operate under extreme atmospheric conditions. Its PCB based design combines robusts performances with easy embedment in space constrained setups, while sleep mode optimization extends battery life for continuous outdoor sensors networks. Specifications: Component: PCB Size: Approx.19x13mm/0.75x0.51inch Working voltages: 3-5v Chip:MS5611 Communication Way: Standard IIC/SPI Communication Applicable scenario:Meteorological monitoring; Option Type:1pc,2pcs; Package Includes: Package A 1pc Pressure sensors Package B 2pc Pressure sensors note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.