Compatible with Watershot® PRO and Galaxy S4 Underwater Camera Housings. Creates significantly wider angle field of view (up to ~110°). Easily screws onto the Watershot Housings that feature the removable Lens Port System - just remove the Flat or Standard Lens Port and install this Wide-Angle Lens Port. Only for installation in dry conditions (dry-mate only. (Not compatiblewith any Watershot® SPLASH Housing. Not Compatible with any Watershot® PRO Dual-Lens Camera Housing). Compatible with Watershot® PRO Camera Housings (WSIP5-002, WSSG4-001, WSIP6, WSIP6P, WSIP7). Want extra support pushing that Wide Angle Lens in towards your favorite subject; then checkout the optionalWatershot® ISR Bluetooth® Pistol Grip,to stabilize your shot.