1. Wide Pressure Measurement Range: Capable of measuring pressure changes within a range of 0 to 40KPa, this digital barometric air pressure sensor module is ideal for applications requiring low-pressure monitoring such as gas flow monitoring and liquid pressure monitoring. 2. Accurate Measurement: This liquid water level controller board has the ability to achieve precise pressure measurements, providing accurate data to the effectiveness of your monitoring systems. 3. Compact Design: The air pressure sensor typically adopts a miniaturization design. Its small size allows it to be smoothly integrated into various applications, offering versatility for different project requirements. 4. Low Power Consumption: The liquid level module features low power consumption characteristics and can operate in intermittent mode to minimize power usage. This makes it a for applications requiring long-term, continuous monitoring. 5. Reliability and Stability: Known for its excellent reliability and stability, this digital barometric pressure sensor can provide accurate measurement results under various environmental conditions. It's a dependable choice for critical applications where precise and consistent measurements are vital. The Module Uses A High Precision Ad Sampling Chip And A 0-40kpa Pressure Sensor. It Can Be Attached To A 2.5mm Hose And Detects Water Levels And Other Air Pressure. The 5k Ohm Resistance Bridge Sensor Is Small And Easy To Install. Atmospheric Pressure Sensor Module Only. Voltage: 3.3-5 V Pressure: 0-40 kpa Size: 19 X 18 X 11 MM/0.74 X 0.70 X 0.43 In (Package Mounting Hole) Color: Red Material: PCB Package Contents: 5 * Air pressure sensor module Only the above package content, other products are not included. Note: Light reflection 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.