NcSTAR Tan T-Style Red Dot Sight, 4 Different Reticals Ill. 1 x 30, Weaver Rings, Red/Green LED (light emitting diode) 100 percent safe for the eyes. Unlimited Eye relief and field of view Selectable four reticles: dot, bulls eye, starburst, and Cross 5 brightness settings for each of the Red and green reticles Includes 30mm Rings, see-through lens covers, batteries, and mounting tools