Micro Red Blue Dot with Green Laser/ Black Features 1.7 Height Red Blue Dot Reflex Optic with integrated Green Laser is two sighting devices in a compact and sleek design. 1.7 Dot Height is set for 1/3 Co-Witnesses with AR15/M4 iron sights. No need for a 3/4 riser, this will attach directly to your AR15 receiver rail and is ready to go! Unlimited Eye Relief for flexible mounting. Red Blue Dot LED Light Emitting diode 100% safe for the eyes. 3 MOA Red Blue Dot has five brightness settings and is fully adjustable for Windage and Elevation. Integrated Green Laser is fully adjustable for Elevation Windage, indpendant from the Red Blue Dot. Red Blue Dot reticle and Green Laser is controlled by an Electronic Control panel with push button controls. The Electronic Control panel turns On/Off, adjusts the brightness levels, and changes the Dot Reticle from Red Blue colors. The Electronic Control panel also turns On/Off the Green Laser. The optic uses a CR12 Micro Red Blue Dot with Green Laser/ Black Features 1 7 Height Red Blue Dot Reflex Optic with integrated Green Laser is two sighting devices in a compa 1 7 Dot Height is set for 1/3 Co-Witnesses with AR15/M4 iron sights No need for a 3/4 riser, this will attach directly to your AR15 receiver rail and is ready to go!