Original design for the Led desk lamp ROLL RGB. Flexible arm and orientable lamp head. LED RGB nightlight on base. Multifonctionnal sensitive switch on base. Stepless dimmer for the main light. Thanks to the 1800mAh battery (included), this lamp can be used as emergency light (white light) or disco (RGB light) for nearly 2 hours when fully loaded. This lamp can be connected to an USB port. Concerning the nightlight: possibility to select the color of your choice or the automatically change of the colors. Integrated Leds.