1x to 3x Magnification - The ability to transition between the two distances almost instantly and still maintain weapon accuracy; Battle Tested - EOTECH is dedicated to providing rugged, reliable and innovative products that offer a true advantage to all who use them; Adaptable - The EOTECH magnifier is designed to work for both left and right-handed shooters and all come equipped with a locking, adjustable quick detach lever system allowing for immediate attachment or removal