Trijicon RM06 RMR (Ruggedized Miniature Reflex) 3.25 MOA Adjustable Red Dot Sight is developed to improve precision and accuracy with any style or caliber of weapon, this Trijicon RedDot sight is designed to be as durable as the legendary Trijicon ACOG Riflescope. The Trijicon RM06 Red Dot Sight is an LED sight powered by a standard CR2032 battery. Housed in rugged forged aluminum, this red dot sight is extremely tough yet lightweight. New 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. The new Trijicon RMR is tougher than any alternative and suitable for military, law enforcement and hunting applications.