PN 21KT Night Vision gen 2+. I bought it because of curious, so I rarely open this divice. Theoretically, the life of the image transfer is 10,000 to 15,000 hours. I have only used it, maybe a few hours, in my backyard. There is a very small black dot on the corner of image. Feel free to ask me questions. The item "PN 21KT Night Vision gen 2+" is in sale since Wednesday, October 14, 2020. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Night Vision Optics". The seller is "jie637" and is located in Miami, Florida. This item can be shipped to United ...