The Tools 26200B222 LED Ring Light with Adjustable Polarizer significantly reduces the glare from shiny or reflective objects, allowing operators to see details that could otherwise be obscured or washed out. The ring light features a polarizer dial with precise reference markers to adjust the level of polarization. A builtin brightness dial provides excellent illumination control of the 120 LEDs. The ring light includes a tinted glass analyzer insert that enhances polarization effects. Features. Reduces glare from shiny or reflective objects. Provides powerful illumination with 120 long lasting ultrabright LEDs. Builtin brightness dial allows for precise illumination control. Polarizer dial with reference markers adjusts level of polarization. Tinted glass analyzer enhances polarization effectsSpecifications. Light Intensity 0 100%. Light Color White. LED Lifetime 20,000 Hours minimum. Working Distance 40 120mm. Environment Temperature / Humidity 040 C / 2080%RH. Drive Method Constant voltage. Input Votage DC24V/500mA. Dimensions 8 x 2 x 9 in.