---U-tube:4W ---Frequency:120times/m ---Different color available ---With 3m spring cord ---Directly use with vehicle DC12V/24V power ---Hold it on the automobile by strong magnet ---Package size: 51.5X34.5X45cm ---Packing: 1pc/blister pack, 16pcs/ctn ---G/N.W(KG): 11/10 ---Container:20ft-5600pcs; 40ft-11200pcs