Get the speed advantage of holographic sighting plus backup access to iron sights. Delivering an uncompromising targeting experience for tactical and recreational shooters, the increased height of the all-purpose EOTech HWS EXPS2—like every model in the EOTech EXPS line— allows for lower third, co-witness of iron sights. Easy-to-adjust side buttons, quick-detach locking lever, and 20 brightness settings for dawn-to-dusk hunting and competitive shooting. NON NIGHT VISION COMPATIBLE L X W X H 3.8” x 2.3” x 2.9” (96.5 x 58.4 x 73.7 mm) WEIGHT 11.2 oz (317.5 g) WATER-RESISTANT 10 ft. (3 m) depth MOUNT 1” Weaver or MIL-STD-1913 rail BRIGHTNESS 20 daylight settings POWER SOURCE 1 x CR123 battery BATTERY LIFE 1,000 continuous hours at nominal setting 12 at room temperature. COUNTRY OF ORIGIN Made in USA