Check the listing for details. Canon WP-DC33 (4011B001) Underwater Housing. Condition: Used. Listed at 90.00 USD. This Canon WP-DC33 (4011B001) Underwater Housing is the perfect accessory for your underwater photography needs. Designed for depths up to 130ft, this waterproof case is made of durable polycarbonate material to protect your camera from water damage. The Canon WP-DC33 waterproof case designed specifically for the Canon PowerShot SD940, you can use your digital camera to take underwater shots at depths of up to 130' (40m). Of course it's also ideal for taking worry-free pictures in the rain, at the beach, or on the ski slopes. You can use your camera's internal flash for lighting purposes. Or, use the internal flash to trigger a slaved external strobe like those made by Fantasea, Sea & Sea, Ikelite, or Sealife. The camera has an underwater white scene mode for available light photography.