Featuring 2-wire power & dimming, T105/T155/180 PowerLED fixtures easily replace existing legacy (halogen) spots negating the need to run extra wires. Integrated drive electronics eliminates the need for remote driver installation. Carefully designed optics result in fully blended illumination free of annoying artifacts or distracting hot spots. A robust thermal management system results in maximum life with minimal lumens depreciation over its expected working life (50,000+ hrs). T155/180 models offer single or bi-color dimming when paired with Imtra's single or dual channel PWM dimmer module. These fixtures feature a traditional raised-round bezel in several finishes. The T155/180 PowerLEDs securely mounted with three screws and are ideal for hard ceilings (e.g. fiberglass or wood). It is a good choice for wet areas (e.g. hard tops, arches, walkway overhangs, shower stalls). Made in the USA and covered by a 5 year warranty!