Board Supply voltage: 4-6V DC Sensor: MS4525 Working current: 5ma Output: I2C(SCL SDA) Pressure Ranges: 1 PSI(6.89kpa) Maximum Pressure: 20 PSI (137.9kpa) Operating Temperature:-40c~125c Accuracy:0.25%SPAN Red LED: power indicator JST-GH sequenc: 5V, SCL, SDA, GND Weight: 3.5g(sensor board) Wiring 5V to FC 4-6V SCL to FC 12C SCL SDA to FC I2C SDA G to FC GND Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:As Shown Material:FR-4 Package Contents: 1 x ASPD -4525 Sensor Board 1 x JIST-GH to JST-GH 20cm silicon cable 1 x Pitot TubeClear silicon tubing 40cm 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.