Developed to improve precision and accuracy with any style or caliber of weapon the Trijicon RMR (Ruggedized Miniature Reflex) Type 2 is designed to be as durable as the legendary ACOG. The RM09 is an LED sight powered by a standard CR2032 battery. Housed in rugged forged aluminum it’s extremely tough yet lightweight. The easy-to-use adjusters with audible clicks allow for quick windage and elevation adjustments. - With eight available brightness settings the reticle can be manually adjusted by pressing the plus or minus buttons on either side of the unit. To switch to auto adjust mode simply press both buttons simultaneously and release. To save battery life turn the optic off by pressing both buttons simultaneously and holding for 3 seconds. - Package Includes: - 1 Cerakote FDE RMR w/ 1.0 MOA Dot - 1 CR2032 Battery - 2 RMR Screws - 1 Hex Wrench - 1 RMR Manual - 1 Trijicon Sticker (PR15) - 1 Warranty Card - Magnification: 1x - Bullet Drop Compensator: No - Length (in): 1.78 in. / 45mm - Weight (oz): 1.2 oz. / 34g (with battery) - Illumination Source: LED - Reticle Pattern: 1.0 MOA Dot - Day Reticle Color: Red - Night Reticle Color: Red - Bindon Aiming Concept: No - Adjustment @ 100 yards (clicks/in): 1 click = 1 MOA - Housing Material: Forged Aluminum - Batteries: 1 CR2032 Lithium Battery - Battery Life: Over 4 years of continuous use (when used at 70­ºF / 21ºC) at brightness setting 4 of 8. - Illumination Settings: Automatic & 8 Adjustable Settings