CR1632 Battery Side Mount Tray. 50,000 Hour Battery Life. The item "HOLOSUN HS507C-X2 LED Red Dot Sight Multi Reticle Solar Panel" is in sale since Sunday, October 18, 2020. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Red Dot & Laser Scopes". The seller is "gunsandsilver" and is located in Kennewick, Washington.This item can be shipped to United States.