Carson"s Aura 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. At Carson, we strive to make sure our customers are 100% satisfied with the quality of our products. We are so confident in our products that we back them with a One Year Limited Warranty. This Carson product is warranted to be free from defects in material and workmanship for a period of one year from date of purchase. Please contact Carson for additional warranty details.