Trinity Weaver Mounted Picatinny Aluminum Tactical red dot Sight for Ruger Security 9 Home Defense Upgrades.

Great upgrade for any Handgun owner, includes batteries. Super durable aluminum construction. Connects to any weaver 1911 or Picatinny rail. Mount will easily clamp onto Compact and Subcompact Pistols that have a Weaver Style, Accessory Rail Fully adjustable for Windage and Elevation On/Off Rear Cap Switch is easily turned On or Off with your trigger finger Specifications: All Aluminum Construction 635-655nm Red Laser Beam <5mw Specially designed Weaver style mount Standard on/off cap switch Includes 3 AG13 Lithium type batteries and a mounting tool Dimensions (inches): 2.25"Lx1"Wx1.5"H Weight: 1.2oz. with batteries