Sig's Romeo4H Compact Red dot is designed for modern semi-auto pistols, MSR platforms and shotguns. Features MOTAC Motion Activated Illumination System, unlimited eye-relief and red LED illumination for daylight visibility, Ballistic Reticle and extended runtime. Includes solid and see-thru lens covers and co-witness QR mount and low mount included.
Specifications:

Magnification	1x
Objective	20mm
Field of View
Eye Relief	Unlimited
Dot Size	2 MOA
Tube Diameter
Length	3.30"
Weight	3.4 oz
Finish	Graphite
Battery	CR2032 Lithium
Reticle	Ballistic Circle/2 MOARed Dot
Adjustment Size	.5 MOA
Proofs	Waterproof, Fogproof
Optic Coating
Windage Elevation	Adjustable