Gotreticle (Illuminate Your Gun Scope Reticle / Crosshairs) Gun Scope LED Light, Dimensions 1.5L x 1.0W x 0.5H 3 Red LEDs with Flexible Copper Conductor LED Dimmer (Brightness Adjustment) CR2032 battery (Included) On / Off Switch, Velcro straps and Velcro buttons (Included)