Liquid Image Underwater Digital Camera Mask is the world's first & only line of swim/dive mask that has an on-board water-resistant digital camera, eliminating the need to carry a cumbersome underwater camera, keeping your hands free as you swim / dive. Depending on models, the camera can operate to a depth of between 15~330', making it ideal for use when snorkeling, in swimming pools, or out in deep open waters. The mask's eye pieces are made of tempered glass and have integrated crosshairs that allow you to line up shots easily & accurately; simply press the shutter button to take pictures or videos. An LED inside the mask tells you if you are in still picture or video mode. Downloading images is as easy as plugging in the mask to your PC's or Mac's USB port (USB cable included)--the included software allows you to edit your content. Its built-in memory can store up to many high-resolution pictures or many minutes of video. A microSD card slot allows you to expand memory for additional pictures or videos. Requires two AAA batteries. Ages 13 and up.