Perfect addition to any Black Gold Sight to increase pin visibility for target shooting. For the hunters it helps pin visibility during those first and last few hours of legal shooting time. This ensures you do not miss the shot of a lifetime due to not seeing your pin! Increase or decrease the light intensity with a 3-position button on the top. Fits all Black Gold sights. Rechargeable with a 20-hour run time. Bracket and Charge Cord included. Mounting thread size: 6-32 X 3/8"