Underwater Shoe Mount  Flash Strobe for Fuji Fujifilm FinePix WP-XQ1 WP-FXF500   Compact underwater shoe-mount strobe solution Fires via built-in slave sensor or included fiber optic cable (not shown) Simple operation, good performance and compact size Rated to a depth of 200 feet Powered via 2x AAA batteries 3 different pre-flash modes for camera's with built-in flash in manual mode, with one or with 2 pre-flashes Includes compact flash in underwater housing,  shoe mount arm,  fiber optic cable,  flash diffuser and instructions