This is Auer Signal's 900031313 LED Signaller with Lighting. It is an orange-colored, Ø73 x 76mm Signaller with a voltage of 230-240VAC, and an IP66 rating for dust tight and water jet resistant construction. It is suitable for use indoors and outdoors and is perfect for signaling an alarm, motion, change-of-state, or other audio/visual alert for safety applications. The Signaller is designed for long life and reliable operation, making it an ideal choice for your demanding applications.