Kit contains:
"10 paces each" distance gauge
2 x ankle height camera stands
2 x infra red remotes with holsters (left or right handed)
2 x cardio targets with integrated camera receiver connections

When you aim, you aim for the heart. Each person wears a cardio target (badge: one can be sheriff) which is wired up to the camera shutter. When the remote hits the target the shutter fires and the picture captures the time (there must be a time thing on the image itself). Both cameras are compared to see who is dead.