Fangrui Product Details Optimized Performance: The Aspd-4525 Is A High-precision Digital Airspeed Sensor Designed Specifically For Rc Fpv Racing Drones. It Operates Efficiently Within A Power Range Of 4 To 6v Dc, Ensuring Reliable Readings And Enhanced Flight Control. Wide Compatibility: This Sensor Is Fully Compatible With Popular Flight Controllers Including The F405-wing, F411-wing, And F722-wing, Making It A Versatile Addition To Your Drones Navigation System. Essential For Racing: Improve Your Racing Drones Performance By Accurately Measuring Airspeed, An Essential Parameter For Optimizing Flight Dynamics And Achieving Better Race Times. Board Supply Voltage: 4-6v Dc Sensor: Ms4525do Working Current: 5ma Output: I2c (scl Sda) Pressure Ranges: 1 Psi (6.89kpa) Maximum Pressure: 20 Psi (137.9kpa) Operating Temperature: -40c - 125c Accuracy: 0. Span Red Led: Power Indicator Jst-gh Sequence: 5v, Scl, Sda, Gnd The Product Appearance And Printed Words Depending On The Batch, But This Does Not Affect Use Color: As Shown