Features: High Accuracy Measurement: Adopting high performances MS5837 Sensoring, it provides accurate pressure measurement of water depth and is suitable for a wide ranging of environment. Waterproof design: The module with excellent waterproof characteristics, suitable for use in wet or underwater environment to ensure long-term stable operation. Small and lightweighted: easy to be used in a variety of equipment and systems without taking up too much space. Low power consumption design: Wide ranging operates, different pressure ranges can be measured according to the demand, adapting to a variety of use scenario. Digital output interface: adopts I2C communication protocol, simplifies the connection with main control board, easy to integrate and program. Wide applications: supports gas and liquid pressure monitoring, suitable for water level monitoring, weather station,and other scenario Specifications: Type: GY-MS5837 02BA 30BA Sensoring Module Size:about 10.4x13.2mm/0.41x0.52in High resolution module, 0.2ms read. Fast conversion up to 0.5ms. Low power 0.6 in A (standsby power less than 0.1 in A at 25 degree C) Integrated Digital Pressure Sensoring (24bit_ADC) Power supply voltage: 3-5V Temperature ranging: 20 to 85° I2C interfaces No external components (internal oscillator). Excellent long-term stability. It can fully seal and suitable for outdoor equipment. Package Includes: 1PC MS5837 Sensoring Module note: Due to the problem of lighting effects there is certain tolerances in product, please understand. Please allow 0-1cm error due to the measurement.