This sight runs on a CR123A battery and has a much longer battery life than the other non-cell style sights. With this new single battery configuration, this sight allows more rail space than ever, leaving more room for iron sights or NV mounts.
Single transverse CR123A battery to reduce sight length
Shortened base only requires at the most 3/4 inch of rail space compared to the 4 inch non-cell battery sight
Battery life is roughly 3x battery life of non-cell sights