Six different viewers are available. They can be used as hand-held devices or mounted on a post (1/4-20 internal threads). Standard kit includes: IR viewer, IR filter, battery, handle, case. Viewers can be powered with external power supply (not included). Accessories (on request) : facemask for hands free operations, infrared illuminator, neutral density filter, Iris diaphragm, adapter to AAA batteries (for IR1700V3 and IR2000V3 viewers), microscope adapter, video adapter VA-1.