Watertight down to 16' (5m). 35/3.5 & 50/5.6 Dual lenses. Floats on water surface. Rubber gasket sealed film back & o-ringed battery compartment. Auto low-light flash, with LED indicator. Bright frame viewfinder, with normal & close-up framing guides. Infrared active AF above water. Focus free underwater. Close-up focusing to 1.7', above & under water. Programmed auto exposure, subject weighted metering. 100-1000 ASA DX coding for color negative films. Auto film advance and rewind. Battery required: 1 CRP2 lithium. Size: 5.8 x 3.06 x 2.56'; Weighs 14.125oz (400g). With sportsfinder, case, film cannister, strap & 1 yr. mfr. warranty.