Multi-function desktop magnifier with adjustable auxiliary clip and 360-degree rotating bracket. Features a cast iron base for increased stability. Includes two lenses: 3x main lens (75mm) and 4.5x auxiliary lens (20mm). Equipped with LED lighting for use in low-light environments. Specifications: Model A: 7023A Magnification: 3x for large lens, 4.5x for small lens Weight: 510g (with packaging), 356g (net weight) Dimensions: 200 x 95 x 170mm Materials: Acrylic lens, metal, ABS Power options: Battery or USB cable Battery type: 3 AAA batteries (not included) Colors available: Black, white, red Applications: Repair work, inspection, industrial electronics, laboratory use, medical examination, jewelry evaluation, antique identification Model B: 7023B Magnification: 3x for large lens, 4.5x for small lens Weight: 522g (with packaging), 375g (net weight) Dimensions: 200 x 95 x 170mm Materials: Acrylic lens, metal, ABS Power options: Battery or USB cable Battery type: 3 AA batteries (not included) Applications: Repair work, inspection, industrial electronics, laboratory use, medical examination, jewelry evaluation, antique identification Package includes: 1 x Lamp 1 x USB Cable