Only 0.35 watts of power consumption with intensity of an 8 watt incandescent bulb. Polycarbonate housing with stainless steel dress plate. Prismed lens. No visible fastenings. Weatherproof but not submersible. Ideal for cockpits, stairs, storage compartments, etc. Available in three LED colours. 12 volt. Dimensions:Face: 82x39Intrusion: 37mmProtrusion: 7mm Mount screws: 3mm c/s