Aircraft grade aluminum body; Fog proof and shock-resistant housing; Nitrogen charged with weather resistant seals; Coated lens provides superior light transmission, resolution and scratch resistance; Dual-illuminated (Red, Green) 4 MOA dot reticle with adjustable rheostat for brightness control; Integrated Weaver / Picatinny 1913 mounting system; Unlimited eye relief for quick target acquisition; 2,000 hours of battery life on low setting; Includes protective lens cover