This Aim Sports Micro Dot Sight is 1X20mm and offers push-button dual illumination. Together these features allow for elevated peripheral and depth perception. It\'s low profile and adaptable to many different platforms. This model features 30 MOA clicks of windage and elevation adjustment, seven levels of brightness per color and is both fog proof and waterproof. This particular model also has an impressive operation time of 150 hours. Includes 1-CR2032 Battery.