Carson’s Aura™ 2x and 4x Power Digital Night Vision Monocular with Infrared Illuminator NV-150 is a portable Digital Night Vision Monocular. The Aura™ Night Vision Monocular uses digital technology to provide a bright, clear and sharp image. No more blurry green images using old intensifier tubes! The built-in infrared illuminator allows you to use in ambient light or in total darkness. The Aura™ boasts an impressive range of 229 feet in total darkness with an 8.5 degree angle of view. The Aura™ Night Vision monocular operates on 3 AAA batteries (not included), and includes a soft pouch and wrist strap. The Aura™ Night Vision Monocular has a one-year limited warranty.