Iztoss? Digital Voltmeter+12V Cigarette Socket +Double USB Power Charger Adapter aluminum Flush Mount 6 gang rocker switch Panel Black RV Car Boat Sleek&Contemporary design,perfect for your machine ,material:aluminium for panel ,ABS and copper for USB ,power socket and voltmeter,including the switch panel ,wires and screws. Short circuit / overheat protection for on-off rocker switch ,USB(2.1A x1,1A x1)and DC voltmeter With rubber seal-cap to keep it water-tight,best for marine Easy to install,can be installed horizontally or vertically(Horizontally optional) Suitable for both 12V and 24V systems Panel is pre-wired, Includes 4x Stainless Steel Screw