About the Halo 4" LED White Adjustable Square Gimbalmdash;4000Kmdash;703 Lumensmdash;80 CRI The Halo 4" LED Adjustable Square Gimbal Trim and Light Engine is a onestop solution for your recessed LED lighting needs. The ELSG405840WH includes both an LED light engine (module) and an adjustable square gimbal trim (which comes in chic white), and the unit is ideal for commercial or residential use. The Halo LED Adjustable Square Gimbal comes with a 35deg; tilt built in, as well as an interchangeable set of three reflectors (25deg;, 35deg;, and 50deg; angles) that offer plenty of options for providing different lighting options. The color temperature of the gimbal is 4000K, which will provide strong, neutral white lighting. The ELSG405840WH emits 703 lumens, but at only 51.4 lumens per watt, the downlight offers significant savings over comparable fluorescent, incandescent, and halogen alternatives. The highefficacy Halo LED Adjustable Square Gimbal is a solid bet for longterm energyefficient savings; the unit will run for 50,000 hours, meaning you can look forward to years of nostress bright lighting for your work or living space. Additional Information: