Function Instruction: Duoble H tricolor fluoresent tube Free-frequency converting eletronic ballast Adjustable lamp arm Modern desin that widely used for accompanying with the sofa Input voltage/Frequency/Power:AC110/230-50/60HZ-22W Life time:10000hrs Main material:ABS Color:black,white Packing Instuction: Inner packing:1pcs/gift box Gift box dimension:27.5*23.5*121(cm) Outer packing: pcs/carton Carton dimension: N.W.:4.5kgs/pcs