ViSee Multi-function Clamp LED Desk Lamp with Hand Touch Switch, 3 Levels Adjustable Brightness, and Flexible Gooseneck Durable, all aluminum frosted LED lamp with 1W low power output but high brightness. Hand touch switch with three levels adjustable brightness. Extremely long lamp life (50,000h). Energy-saving. Eco-friendly. In the darkness, blue light ring on the lamp head guides you where to touch to turn the lamp on. Anti-slip clip with clamping range up to 2 inch (50mm). USB port power supply. Flicker-free natural light, ease for eye. No mercury, No UV, No radiation, No noise.	Flexible positioning suitable for use in office, bedroom, school, and reading.