DESC: Compact and lightweight, Night Detective® BQ 3 is a powerful Night Vision binocular featuring 4x optical magnification and two carefully calibrated Generation 1 Image Intensifier Tubes. Efficient circuit design delivers extended operational times from a single battery source. Multicoated all-glass lenses enhance the sharpness of the image and reduce glare. Modern design combined with technological excellence makes ND BQ3 essential unit for any situation that involves nighttime observations. Infrared illuminator is built in to allow operation in complete darkness. Perfect for campers, hunters, detectives, police officers, surveillance work and much more.