- Light source for illuminating the notebook keyboard or documents in dark environments ,- Flexible goose neck for optimum positioning ,- Integrated touch sensor for switching on/off and stepless dimming of the light by touch ,- Customisable adjustment of the brightness and light thanks to stepless dimming of the LEDs ,- High light efficiency thanks to 7 ultra-bright LEDs ,- Especially compact, therefore easy to transport with the notebook / tablet ,- Low power consumption, notebook battery is not noticeably loaded ,- Voltage supply comes from the USB socket on the device , ,Note for Consumers: ,Special lamp with excellent vibration resistance for mobile use. ,This special lamp is not suitable for household room illumination.