LED: 2 pcs

Lens: 5 pcs

Power: 3 * 1.5V AAA batteries (included)

Material: PC Lens/Environmental protection acrylic Headpiece

Head circumference: Adjustable

Single-plate lens magnifications: 1.0x, 1.5x, 2.0x, 2.5x, 3.5x.

Bi-plate lens magnifications: 3.0x, 4.0x, 4.5x, 5.0x, 5.5x, 6.0x.