Rite-Lite LED Shade Matching Device (AdDent)

Rated Best out of 4 hand held shade matching lights by the University of Texas 

L.E.D. shade matching light is designed to eliminate costly remakes, the rite-lite shade matching light incorporates LED technology to provide simulated north sky daylight with a standardized color temperature of 5500K. The small, handheld, portable unit comes with neutral color tabs for placement behind the teeth to eliminate environmental color distractions