Monster Pro Power FlexLamp - XLR LED LightSource - 5 inch 5 inch model dimensions: 11" H x 5 1/2" W x 2 4/9" D; weight: 0.41 lbs. 10 inch model dimensions: 11" H x 5 1/2" W x 2 1/2" D; weight: 0.49 lbs. Use it in the studio or on stage; also great for custom installations. Lamp has 8 LEDs to provide brighter light than ordinary incandescent lamps.** LEDs generally last longer than odinary incadescent lampsrated up to 100,000 hours.