Retra have announced the launch of the new Retra Flash Pro Max II, which they describe as their most advanced professional strobe to date. "Built on five generations of innovation and field-proven performance, the Pro Max II redefines what’s possible in underwater lighting—delivering Li-ion-level performance using safe and widely available NiMh batteries." "With an impressive 190Ws of flash power, the Pro Max II produces 65% more actual light output compared to its predecessor—all while maint