The IQ Adjustable LED Bow Sight Light gives just the right amount of illumination when you need it, with a soft purple glow that's easy on the eyes. The IQ Adjustable LED Bow Sight Light helps reduce pin glare at dawn and dusk, increasing your confidence and therefore your accuracy when taking shots in low light. Works on right- and left-hand sights; fits thread sizes 1/4-28, 3/8-32, 3/8-36, and 7/16-20; and batteries are included. Manufacturer model #: 15000. Adjustable rheostat control Purple LED light Works on left and right hand models Reduces pin glare at dawn and dusk Fits sizes: 1/4-28, 3/8-32, 3/8-36, 7/16-20 Batteries included