The Grote 18.26" LED WhiteLight Rectangular Dome Lamp is the perfect choice for any lighting application. This lamp features a detachable acrylic lens and a sturdy one-piece aluminum housing for maximum durability. The technology provides the superior light output and long life, while the automatic thermal protection mechanism and circuit board protection in full with encapsulant potting ensure safe operation. With an operating temperature range of -40 °F to 122 °F, this lamp is perfect for any environment. FleetPride is your First Click in Heavy Duty .