Model No.: RL9010 Lens Size: 4 inch (101.6mm) Lens Material: glass (normal lens and optical lens optional) Magnifying Power: 3 diopter Light Source: Max 60W incandescent bulb (bulb is not included in RL1026) Power Supply: 110-120V/220-240V/100V Power Cord Length: 5’ (1.5m) Equipped with 4 strong external springs Adjustable swing arm with a 42 inch maximum extension (106.68cm) Base clamp secures to any flat surface up to 2.5 inch...