General description The 12-24V 4 Gang Toggle Blue LED Rocker Switch Panel is a multifunctional device designed for use in cars, trailers, marine boats, RVs, and trucks. It features four rocker switches, a digital voltmeter display, a dual USB charger, and a cigarette lighter adapter, all housed in a durable plastic casing. Technical specifications Weight: 350g Input Voltage for USB Charger: DC 12V-24V Output Voltage for USB Charger: DC 5V 3.1A Digital Voltmeter Input Voltage: DC 12V-24V Voltage Range for Digital Voltmeter: DC 0V-36V Color: Black LED Color: Blue Compatibility and accessories Suitable for: Car, Trailer, Marine Boat, Vehicle, RV, Truck Package Contents: 1 * 4 Gang Rocker Switch Panel, 4 * Screws