With the Panasonic DMW-MCTZ3 waterproof case for the Panasonic Lumix DMC-TZ2 & DMC-TZ3 Digital Cameras, you can use your digital camera to take underwater photos at depths of up to 130 feet (40 m). A diffuser for the camera's flash is built onto the housing to help when using the camera's internal flash. For even better results underwater, use the internal flash to trigger a slaved external strobe like those made by Fantasea, Sea & Sea, Ikelite, Sunpak or Sealife. The camera has an underwater mode setting for available light photography. Weight - 14.3 ounces (430 grams) without camera