V-LIGHT LED Energy-Efficient Desk Lamp with 3-Point Adjustable Gooseneck Arm (VSL092N) 4W energy-efficient LEDs include diffusor for even light distribution and reduction of glare Three flexible gooseneck joints for maximum placement options and versatility Elongated arm provides extended 22 inch reach Wide opening clamp attaches easily to most work surfaces LED rated for 20,000 hour average life