Strike Infinity Cosq007 _best_
The COSQ007 runs on a CR2032, but the battery cap requires a special torx bit (included, but easy to lose). If you drop that bit in the grass during a reload, you cannot change batteries. We suggest taping a spare torx bit to your stock.
If you're aiming for a score that would rival a "cosq007" run, focus on these mechanics: strike infinity cosq007