The Micro Dot Sight 1X20mm is Dual-Illuminated and offers elevated peripheral and depth perception you are looking for when shooting. It is low profile and adaptable to many different platforms. With adjustable turrets elevation and windage, adjustments are easily accessible.The Micro-dot sight 1x20mm is dual-illuminated and offers elevated peripheral and depth perception you are looking for when shooting. It is low profile and adaptable to many different profiles. With adjustable turrets elevation and windage, adjustments are easily accessible. Features: 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 2000 hr of battery life on low setting