The UL Listed REVI XL1 Light Engine - 36 Volts - 80 Watts - 4000K is an architectural-grade pendant downlighting fixture for use with the REVI Remote-Voltage Illumination System. This 4000K monochrome light engine is ideal for architectural ceiling lighting where an output of up to 10,000 lumens is required. This light engine comes with a medium, 58 degree beam angle reflector.