High quality Red dot that offers a long tube “T1 compatible specs” resulting in a plethora of risers available for use. Absolutely crystal clear glass, Crisp 2moa Red dot, with a triple A battery source making batteries easily accessible with a simultaneously lowered battery compartment to prevent an obstruction from vision, true 1x allowing for easy use with both eyes open. Plenty bright for outdoor or day play! Specifications: Hard anodized non reflective surface Power source: AAA battery 2moa Red dot Red dot 1x20mm lens 7 day settings 3 night settings Virtually no parallax Nitrogen purged preventing fogging 7075 T6 Aluminum Construction Comes in a standard lower 1/3 cowitness height