Product DescriptionBlack colorQuantity: 1 pcsPackage Content: 1 LED Clip-on Magnifier Electronic Maintenance Light1. Best Diopters 5 Diopters is an optimal compromise for reading, sewing, knitting, crocheting, beading, welding, etc. 5 Diopters means a maximum magnification of 3x per length measurement . Distance between lens object: 20cm2. D Stepldimming Long prthe brightnbutton, you can easily adjust the brightnbetween. Option 3 color temperatures - 3000K \/ 4000K \/ 6500K - to meet your different lighting needs.3. Space-saving, stable st Clips to a flat surface up to 5cm thick, saving space on your desk, workbench or table. Once the arm is positioned, it remains firm. Will not click when adjusting the angle.4. Arm Highly adjustable swivel arm The lamp head is adjustable 220 up down 350 swivel, with long arm extendable from 35-65cm.5. Professional Eye Care adopts diffusion permeable material with near daylight illumination; emits a soft light without ghosting, glare or flickering.