The man holding a box and measuring it with a ruler, stating it's 10cm.

A man demonstrates the slim profile of a cardboard box, comparing it to a VARTA wall-mounted solar battery. The video transitions to show the sleek, ribbed design of the VARTA.wall battery unit, emphasizing its thinness and how it fits into a home. The man gestures to the unit and then to the screen, highlighting its features and benefits.