Machined brass with double o-ring retention seal. Shock resistant, frosted Borosilicate Glass lens. The lens is threaded and replaceable. The Illuminator 4 & 6 offers versatile light output by featuring rotating adjustable height setting, allowing various beam spreads. The frosted cylindrical lens minimizes glare while the FLEX GOLD™ Series T3 LED lamp provides sufficient light to cast soft glows on any path or walking area. Ideal for walkways, the Illuminator 6is also perfect for when planter areas need lighting. Equipped with a FLEX GOLD™ Series T3 LED lamp, a designer lens and 25' of #18/2 low voltage wire, the Illuminator 6 carries a 15 Year Warranty.