6-axis gyro stabilisation. Twister MD 500 Scale 250 Helicopter with 6 Axis Stabilisation/Altitude Hold (Red/Silver) : TWST1003C. Altitude hold system. 1x MD 500 scale helicopter. And as if that's not enough, all this ground-breaking technology is cloaked in a beautifully-detailed 1:48-scale MD 500 body.
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