Designed with your comfort and vision in mind, these selected lamps can magnify your work while lighting up your work surface with 3-8 glass lens and bulbs. Feature swing arms that can adjust and lock positively in place. Strong table base, table clamp and wheeled floor base are available, for your different choices. Perfect for reading, art working, knitting and all small projects. All the lamps have passed CE, GS, EMC, UL and CUL Certification.