Holosun Technologies SCS, Green Dot Sight, Non-Magnified, Closed Emitter, Fits Factory Optic Ready Sig 320, Green Ring & 2 MOA Dot, Matte Finish, Black, Solar with Internal Battery SCS-320-GR
Specifications:

Magnification	1x
Objective	0.90" x 0.63"
Field of View
Eye Relief	Unlimited
Dot Size	2 MOA Dot/ 32 MOA Circle
Tube Diameter
Length	2.00"
Weight	1.35 oz
Finish
Battery	Internal Rechargeable Battery
Reticle	2 MOA Green Dot/32 MOA Green Circle Multi Reticle
Adjustment Size	1.50 MOA
Proofs	IP68 Waterproof
Optic Coating	Multi-Coated
Windage Elevation	Adjustable