Steering gear definition of three lines:<br><br>Dark gray: GND<br><br>Red: VCC 4.8-7.2V<br><br>Orange line: pulse input<br> <br>Model: SG90<br><br>Technical data given by the manufacturers:<br>Size: 21.5mmX11.8mmX22.7mm<br>Weight: 9 grams<br>No-load speed