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 2.25x per length measurement or 5x per area measurement of an object. Distance between lens and object: 20cm2. D Stepless dimming Long press the brightness button, you can easily adjust the brightness between. Option 3 color temperatures - 3000K or 4000K or 6500K - to meet your 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 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 and down and 350 swivel, with long arm extendable from 35-70cm.5. Professional Eye Care adopts diffusion permeable material with near daylight illumination emits a soft light without ghosting, glare or flickering.