Aimpoint has once again advanced the standard for red dot sights with the release of the 2nd generation Acro™ red dot sight. This next generation sight, including the Acro P-2™ and the Acro C-2™,  incorporates among other ameliorations,  an improved LED emitter coupled with a higher capacity CR-2032 battery to provide five years (50,000 hours) of constant-on power while getting you on target faster and more accurately.