12V 2 in 1 Dual Motorbike Motorcycle Car Cigarette Lighter Socket Power Outlet Plug Color: Black Size: 10.5 x 4.5 x 5.3cm (L x W x H); 1inch=2.54cm Hole outer diameter: 29mm; Inner diameter: 21mm; Inner depth: 37mm Voltage: DC 12V Package Content: 1 x 2 in 1 Cigarette Lighter Socket