A 4" diameter strong 3x magnifier shade is perfect for craft work or reading. Easy on the eyes:8 Watts of flicker free, glare free LED lighting, perfect for working or reading 3 Color Temperature Modes & 3 Brightness settings: Adjust the light to match your activity and the time of day Convenient Adjustability: Adjust the shade to direct light where it is needed with fully adjustable gooseneck arm. This lighting product is either UL or ETL listed, meaning that it has been tested and approved to meet the government-regulated safety standards for the USA.