2 ELECTRONIC INTENSIFIER TUBES INSIDE STRINGER SYSTEM FOR PRECISION & CONTROL; POWERFUL BUILT-IN INFRARED ILLUMINATOR PROVIDES CLEAR & BRIGHT VIEWING IN COMPLETE DARKNESS; HIGH-QUALITY, ALL GLASS, OBJECTIVE & OCULAR LENSES; RUBBERIZED FINISH; REQUIRES CR-123 3V LITHIUM BATTERY; 3X; FIELD OF VIEW: 200 FT @ 70 FT