The set has 16 delicate silver wire mesh dragonflies with blue LED lights, and they come on a suitably long 8.75m cable. The lights are positioned on the last 3.75 metres, so you have plenty of cable to get them from your wall socket to whatever it is you wish to adorn with glowing dragonflies. The lights can be used both inside and out, but please ensure that the transformer is plugged into your mains supply indoors. Brighten up your garden with incandescent insects this summer, but without all that noisy buzzing and flapping about. Features * 16 silver mesh LED dragonfly lights. * Suitable for indoor and outdoor use. * Transformer 24V 10VA. * Overall length approx 8.75 metres * Cable length from transformer to lights is approx 5m. This set can be used in complete safety both indoors and outdoors; please ensure that the transformer is plugged into the mains supply indoors and not outdoors in damp conditions.