CAN BE USED AS A HANDS-FREE GOGGLES OR REMOVABLE BINOCULARS; AUTOMATIC LIGHT-PROTECTION SENSOR SHUTS OFF UNIT IF OVEREXPOSED; REAL-TIME, 1X MAGNIFICATION; EXTRA-WIDE FIELD OF VIEW: 1742 FT @ 1000 YDS; BUILT-IN, INFRARED ILLUMINATOR; TACTICAL CONSTRUCTION; REQUIRES 2 N BATTERIES