IQ Light, includes variable/intensity light, adapter The must need accessory for your IQ or SURE-LOC sight to increase visibility in low light situations, no more lost pins in low light or inside hunting blind, adjust for varying light conditions and ready to use. Features: Fits IQ sights and most SURE-LOC sights Adjustable Rheostat control Purple low glare light Works on RH and LH sights Batteries included - (3) Energizer 392