Made by Oakshore electronics this 1"tube sight is very compact 6" with sunshade installed and has adjustable switch for brightness 1-11 settings.Is perfect for shotgun,rifle,pistol or bow.Sight is in ecellent shape,slight ring marks.They are selling new I believe for around $130 without shipping.I will take $75 for this one shipped cont.U.S.Sorry no box or papers,will ship on receipt of certified funds.