Warning !! Do not use Night Vision Scope with lluminator 2.4X in daylight or bright light. This may cause permanent damage to the unit. ever look at the sun, severe eye damage may occur. 2.4X 13 degrees 85mm 1.4 lbs Features The Power On Button automatically shuts down if the unit is exposed to bright light. 2. Includes black nylon case with shoulder strap General information on Night Night Vision Vision devices This electro-optical device assists in viewing in near darkness or complete darkness. It works or amplifying the already existing light of the moon or the stars. If no light is present, the ilminator acts as an external light source When viewing an object through the night vision scope, you are actually seeing an image that comes from the intensifier tube within the device. The objective lens captures the light and directs it to the fron: of the intensifier tube, which is the electro-optical component. The 9 volt power source then passes energy through the intensifier tube causing electrons to strike the phosphor screen, The image in the intensifier rube is then magnified by the eyepiece. This device is excellent for wildlife viewing, search and rescue operations, surveillance, boating safety, home security, and camping.