Compatible only with the Watershot® PRO iP7 Plus & iP8 Plus Dual-LensUnderwater Camera Housing. Offered as a replacement Standard Lens Port for all Watershot® PRO Dual-Lens Camera Housings. Easily screws onto the Watershot® Housings that feature the Indexing Lens Port System. The Standard Lens Port allows use of both the native 28mm Camera Lens and the 56mm Camera Lens on the iPhone® 7 Plus and iPhone® 8 Plus. Simply "toggle-on-the-fly" between 1X for the 28mm and 2X for the 56mm iPhone® Camera Lenses using Button #5.Only for installation in dry conditions (Dry-mate only. Not compatible with any SPLASH Housing. Only compatible with Watershot® PRO Plus, Dual-Lens Housings WSIP7P & WSIP8P Dual-Lens).