When situations demand split-second target acquisition and maximum field of view, mount up the Vortex StrikeFire II and shoot - both eyes open. Feature-rich, versatile and reliable, the StrikeFire II is a great choice for shooters who want a quality red dot sight, but don't want to break the bank. With a Vortex warranty, you get a very important promise The Vortex VIP Warranty is about how it's handled, not how it happened. Vortex promises to repair or replace a damaged or defective Vortex optic at no cost to you. If your product can not be repaired, it will be replaced. This unlimited Lifetime Warranty is fully transferable and requires no warranty card be sent in or receipt dug out. If you own it, Vortex will handle it, and that's a promise. Fully multi-coated lenses increase light transmission Red/green illuminated red dot reticle with 10 brightness settings Single-piece chassis is compact and lightweight 100% waterproof, fogproof and shockproof Highly durable low-glare matte finish 12-hour auto-shutdown feature maximizes battery life 300-hour battery life on max brightness, 6,000 hours on minimum brightness Rear-facing controls for easy on/off and brightness adjustments Automatically returns to the last dot intensity used when powered up Cantilever extra-high Picatinny-style mount Act now!