Built-in optical grade magnifierShown in Dove GreyIncludes energy efficient 13wHD bulb � rated to last up to 10000 hoursFeatures free rubber stamp tips from Dee Gruenig -- renowned designer author and teacher of rubber Lowest Usage Point: 11.5 Highest Usage Point: 26.25The OttLite� Jupiter Magnifier Lamp allows you to match paper colors fabrics trims and embellishments accurately and easily. Unique flip lid reveals a built-in up to 3x optical grade magnifier to see details with ease. Multi-position head and 360� rotating base adjust to direct the low heat low glare natural OttLIte� illumination. Use down low with magnifier or up high to illuminate your workspace. Plus you�ll enjoy reduced eyestrain under this cool soothing light. Replacement Bulb or Tube: T135Z5