Measures 4 inches x 1 1/4 inches x 1/8 inches & round 1.1/4 inches;Fully adjustable headband to fit most head sizes and give comfort to the wearer;Lenses come in 1.5x, 1.5x , and 4x magnification ( Combo: 7x) - all are interchangeable;Two LED lights give a better view even in dark areas - Needs 4 AAA batteries;Great for hobby, crafting, jewelry, reading, electrical repair, precision work and more

• HAWK OPTICALS LED Illuminated Head Magnifier With 4 Lenses And An Extra Swivel Down Lens: MG-18329

HAWK OPTICALS LED Illuminated Head Magnifier With 4 Lenses And An Extra Swivel Down Lens: MG-18329ToolUSA