1¡ using ccfl (cold cathode fluorescent lamp), lamp lights tender, bright, energy saving, and no twinkling. The tube can be used more than 10000 hours.
2¡ jointed with metal soft wire core, it can be adjusted to any angle for lighting.
3¡ multifunction design, it can be connected to computer usb port directly or using adaptor (adaptor not included).
4¡ lamp uses super low voltage, input is only dc5v, multifunction use, benefit from preventing eyesight.
5¡ with low noise fan, separate switch control, no harm to body. 71120