Albrecht DV 100 WP Manuel page 11

Installing description:
1. Please unscrew the USB lid before use, and make sure whether the
waterproof rubber is inserted. If not, please use the rubber we provide for
you. (Refer to the picture below)
2. Please screw the USB lid tight with 1kg force to 0.3-0.4 mm slit width.
3. These are some examples how to use the camera.
With a bandage
With swim goggles
With ski goggles