Laser class:Class II <br> Laser power less than 5mW<br><br> Features:<br> This durable,high quality sight is engineered to give you the advantage of a red dot sight in a compact light-weight,weatherproof and shockproof design, whether you use it for rapid fire shooing of moving targets, or normal shooting.The multi-reticle (4 patterned) optical glass lens is parallax corrected,and produces a clear,high resolution image.<br> Red and Green Illumination are available 4 Different Reticle Patterns<br> Material: T6 6061 Aircraft Aluminum<br> Power:1 x 3V CR2032 battery, 3 x AG13 (Included)<br> OBJ.APERTURE:33mm<br> FIELD OF VIEW 15.8m@100m<br> LENGTH: 81mm<br> WEIGHT: 138g<br> Red and Green Illumination are available;<br> 4 patterned optical glass lens;<br> Adjustable dot brightness<br>