The one optic you need for multiple situations is a SIG SAUER ROMEO4 S Red Dot Sight. Designed for use on modern semi-automatic handguns, MSR platforms or shotgun for fast acquisition on moving targets or tactical advantages in close quarters. SPECTRACOAT ultra-wide broadband, anti-reflection lens coating reduces surface reflections to extremely low levels for superior light transmission. MOTAC motion sensing technology and a solar panel adds to the extended battery life (100,000+ hours) by powering up the sight upon movement and shutting down when idle for two minutes. Four integrated reticle options use an ultra-efficient red LED illumination for excellent visibility in daylight settings. Unlimited eye relief puts you in a both eyes open situational advantage for speed and targeting. The durable aircraft-grade CNC aluminum housing is IPX-7 rated for waterproof and fogproof performance. SIG SAUER ELECTRO-OPTICS INFINITE GUARANTEE SIG SAUER Infinite Guarantee is an Unlimited Lifetime Guarantee that is fully transferable. There is no time limit, no charge and no receipt required. SIG SAUER will repair or replace your optic in the event it becomes damaged or defective, at no charge to you. If SIG SAUER cannot repair your product, they will replace it with a product in perfect working order of equal or better physical condition. It doesn't matter how it happened, whose fault it was, or where you purchased it. SPECTRACOAT ultra-wide broadband, anti-reflection lens coating reduces reflection to extremely low levels for superior light transmission MOTAC (Motion Activated Illumination) technology powers up the illumination when needed and shuts down when idled for two minutes 4 integrated reticle options include a 2 MOA Dot, 2 MOA Dot with Holds, 2 MOA Circle-Dot and 2 MOA Circle Dot with Holds Ultra-efficient red LED illumination for daylight visibility and a solar panel on top of the sight adds to the 100,000+ hours of battery lif