Listing is for a dual tube gen 2 analog night vision binocular utilizing the FMA housing as a base. No idea for specs, but these are mx9916 tubes found in the PVS 5. 2nd pick is left tube while 3rd pick is right tube. Objectives are made by Spectrumshiftsolutions. 2 mono housings (if you'd like to share with a buddy or bridge a thermal :).