Product Description Black color Quantity: 1 pcs Package Content: 1 x LED Clip-on Magnifier Electronic Maintenance Light 1. Best Diopters: 5 Diopters is an optimal compromise for reading, sewing, knitting, crocheting, beading, welding, etc. 5 Diopters means a maximum magnification of 2.25x per length measurement or 5x per area measurement of an object. Distance between lens and object: 20cm. 2. Stepless dimming: Long press the brightness button to easily adjust the brightness. Offers 3 color temperatures 3000K / 4000K / 6500K to meet different lighting needs. 3. Space-saving, stable stand: Clips to a flat surface up to 5cm thick, saving space on your desk, workbench, or table. Once positioned, the arm remains firm and does not slip when adjusting the angle. 4. Highly adjustable swivel arm: The lamp head is adjustable 220 degrees up and down and 350 degrees swivel, with a long arm extendable from 35 to 70cm. 5. Professional eye care: Adopts diffusion permeable material with near daylight illumination; emits soft light without ghosting, glare, or flickering.