This Underwater Housing from Ikelite is a waterproof enclosure enabling you to shoot beneath the surface with the Canon PowerShot ELPH 150 IS Digital Camera, a.k.a. the IXUS 155. It has a depth rating of 200'. Mechanical controls, including push-buttons and a knurled knob, enable access to all important camera functions. The housing also allows for the use of the camera's built-in flash.