With no sight, it detects movement with a tiny sensor in its nose, which picks up the electrical current of its prey.

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The sensor measures the deflection of the barrel relative to the sight with extreme precision and electronically realigns the crosshairs with the true position of the barrel.

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Using sensor information, it will spring to life at the sight of its master and express the anticipated emotion -- lapping up affection and retreating when scolded.

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