Main Features: ● Chips: MS5611 ● Built-in 24bit AD converter ● Immersion gold PCB, high quality, machine welding process to ensure quality ● Power supply: 3 - 5V ( internal low dropout regulator ) ● Communication modes: Standard the IIC / SPI communication protocol ● Typical applications used for: GPS pinpoint navigation, indoor / outdoor navigation, relaxation, sports and medical treatment and health monitor, weather forecast, vertical speed indicating, fan power control.