Red reflex sight with 4 reticles and quad rail mount.

Features and Specifications:
Manufacturer Number: D4BQ
LED (light emitting diode) 100 percent safe for the eyes.
Anodized aluminum body.
Heads up display.
Unlimited eye relief and field of view.
Rheostat knob for multiple brightness settings.
7 brightness settings.
Powered by 3V Lithium batteries. (CR2032)
Includes lens cover and extra battery.
4 different reticles to select from.
Locking quick release mount.
Magnification: 1x
Objective Diameter(mm): 24 x 34
Dot Size: 3 MOA
Click Value (at 100 yards): 1 MOA
Weight(oz): 3.8
Length(in): 3.2
Lens Coating: Platinum