As can be witnessed while in the graphic, the LED symbol system includes a diode symbol with two arrows. The 2 arrows denote that light is emitted from this product. An LED has an anode and cathode terminal. Within the impression, the anode is to the left and cathode on https://www.uk-exhibitionstands.co.uk/product/casonara-blimp-cube-360o-hanging-light-box-display-100l/