Get more real estate on your rail for more mission-ready options with our compact EOTech HWS XPS3, the shortest and lightest HWS night vision compatible sight. Powered by a single CR123 battery, the water-resistant EOTech HWS XPS3 leaves you plenty of room for rear iron sights, magnifiers, or night vision devices. NIGHT VISION COMPATIBLE L X W X H 3.8” x 2.1” x 2.5” (97 x 54 x 64 mm) WEIGHT 9.0 oz (255 g) WATER-RESISTANT 33 ft. (10 m) depth MOUNT 1” Weaver or MIL-STD-1913 rail BRIGHTNESS 20 daylight settings10 additional settings for Gen I through III+ night vision devices 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