Brand new Model Number: EXPS3-1 Water Resistant: Submersible to 33 ft. (10 m) depth Mount: 1 Weaver or MIL-STD-1913 rail Brightness: 20 daylight settings. 10 additional settings for Gen I through III+ night vision devices Power Source: One 123 lithium battery Battery Life: 600 continuous hours at nominal setting 12 at room temp. The EOTECH EXPS3-1 Holographic Sight with a 1 MOA Dot, side button operation, and quick-detach (QD) STS mount is a cutting-edge aiming solution for tactical scenarios and sport shooting. Precision-engineered to assist shooters in acquiring targets swiftly and accurately, this sight is forged for reliability and peak performance under challenging conditions. Its compact design minimizes rail space, allowing for the addition of magnifiers and backup iron sights. Renowned for its robust construction, the EXPS3-1 Holographic Sight is night vision-compatible, offering clear aiming in various lighting situations, which is critical for both professional operators and dedicated hunters. The single dot reticle is calibrated for rapid aiming and offers the simplicity of a red dot sight. The sight’s elevation can be effortlessly adjusted with side-mounted buttons, providing users with an uninterrupted and clutter-free field of vision. The EXPS3-1 comes with a 7mm raised base. This ergonomic elevation allows for the use of iron sights as a backup, ensuring you’re never left without a targeting solution. A user-friendly adjustable locking QD lever ensures easy attachment and removal while maintaining stability and zero retention. Whether for duty or sport, the EXPS3-1 Holographic Sight is designed to exceed the rigorous demands of those seeking precision and speed.