MILBRO 1×30 Red, Green and Blue Dot Airgun Sight with Rubber Covers.

Red, Blue & Green Reticles
Includes Rubber Cover
This is the airgun version with 9-11mm dovetail mounts.

Features:
Eye relief – Unlimited
Magnification – 1x
Objective Lens – 30mm
Field of View – 60 degrees
Exit Pupil – 30mm
Tube Diameter – 38mm
Length – 95mm
Weight – 245g
Finger Adjustable Turrets
Reticle – Red, Green and Blue
Airgun Mounts 9-11mm
Battery – 1x CR2032 included
Waterproof – Yes
Fog Proof – Yes
Shockproof – Yes

Airsoft version also available.