Tallon Dual USB Charger Socket - Semi Truck / Carling Switches: 12-24V Input & Puts Out 5V 1.0A and 2.1A Simultaneously Will rapidly charge tablets, smartphones, GPS' etc. Available in bothLight VehicleandTruck/Carlingswitch-blank sizes. Also fits into Carling Contura switch mounts. Slots straight into Toyota and other Japanese industry standard switch blanks and knock-outs - no specialist tools or installation necessary. Ideal for powering toll, RUC, logistics and navigation devices, etc. Simple two wire installation. Simply connect into the standard spade terminals on the rear of the socket. When paired with the versatile Tallon Mini Socket Mounts and Tallon Classic Socket Mounts, provides a full mount and power solution for marine and vehicle electronics and mobile devices. Truck - requires a 17.4mm wide (0.68/ 11/16) x 28mm high (1.1/ 1 1/8) switch bland and knock-out slot. Outer face-plate size 26 mm x 48 mm (1.02 x 1.89).