product manual Specifications: Board Input Voltage: 4~6V DC Working current: 5mA Output Signal: I2C (SCL & SDA) Pressure Ranges: 1 PSI (6.89kPa) Maximum Pressure: 20 PSI (137.9kPa) Operating Temperature: -40°C ~ 125°C Accuracy: ±0.25% SPAN Blue LED: power indicator JST-GH sequence: 5V, SCL, SDA, GND Weight: 3.5g (sensor board) Wiring: 5V to FC 4~6V SCL to FC I2C_SCL SDA to FC I2C_SDA G to FC GND Includes: Airspeed Sensor Board*1 JST-GH to JST-GH 20cm silicon cable*1 Pitot Tube*1 Clear silicon tubing 40cm*1