EOTech Holosight, Model XPS2-0

Holographic Weapon Sights by L3, instantly visible in any light, for true two eyes open shooting, with twenty brightness settings. Battle proven to withstand the abuse that any harsh environment, high powered weapon, or military mission can dish out. The shortest and lightest EOTech yet, runs on a single 123 battery, requires at most 2.75” of rail space. Uses one Lithium battery.