ATN is the manufacturer of night vision products and uses the purest grades of glass. All ATN products feature multi-element lenses which are multi-coated, hand selected image intensifier tubes, bodies are designed from aluminum or plastic, and are compact and lightweight. All ATN products include carrying case, battery, user manual, instruction video and a two year warranty. This product is non-returnable, please contact manufacturer for warranty and return information. We will not accept any returns on this product. Manufacturer Service or Warranty contact : AMT Corp. 20 S. Linden Ave Unit # 1B South San Francisco , CA 94080 800-910-2862 www.atncorp.com