RSNV Gen2+ image intensifier is a vacuum photoelectric imaging detector that amplifies weak light and converts it into a visible optical image. It consists of a Gen2+ image intensifier tube and a high-voltage power supply, both housed together in a single unit. RSNV Gen3 image intensifier is a vacuum device that enhances faint images, making them visible to the human eye. It consists of a Gen3 image intensifier tube and a high-voltage power supply, both housed together in a single unit.