If you purchase individual WhitePython LED light strips you will need to purchase an LED Power Cable which fits in between your Power Supply and Light Strip. Available in 2 lengths the 30cm Power Cable comes as standard in all LED light kits. However the 1m Power cable is ideal for those who need a further reach. Also combined with the Aux to Female Extension cable this can create a long extension in-between 2 light strips (perhaps reaching across 2 terrariums)