0-HMXE2041 Heli-Max Tags Gyro 3-1 Control Board 1SQ Quadcopter <p><font color="#00ff66" size="2" face="Arial, Helvetica, sans-serif">This is the TAGs Gyro 3-1 Control Board for the Heli-Max Axe 1SQ Quadcopter. TAGs (Triple Axis Gyro Stabilization) system offers stability and control without a separate gyro and ESC. </font></p>