<p>• The extra-large window size 22x26mm 0.85x1.0". You can see more! • Auto-Light-Sensor and manual control of 8 Levels & 2 NV red dot intensity • Super slim profile only 7mm(0.3in) height that won't block your pistol front sights • 6061-T6 aluminum housing in rug construction light weight 30g (1.0oz) • 3MOA dot, FDE, MOJ footprint compatible for tri. R-M-R footprint • >50,000 hours for NV dot & >20,000 hours for weakest visible dot • IPX6 water proof up to 1 meter depth for 30 minutes • Take 9mm, 45ACP, 12GA and Lapua Magnum 338 Recoil • Clear lens with premier and protective multi coatings • On / off switches on side, complete user control and automatic light sensor (the sight does NOT come with a weaver mount base)</p>