This Halolite Cast IP65 Downlight is made from durable cast aluminium and is suitable for both 240V and 12V lamps. It requires one bulb (not included) and is compatible with LED lamps and LV transformers (code 55497). The downlight has a diameter of 82mm, a recess depth of 110mm, and a cut-out size of 72mm. Brighten up your space with this versatile downlight.