Wilson 3052224USBBL 12V 2.4 Amp Dual USB Adapter Two 12-Volt Ports and Two 2.4A USB Ports 12-Volt Plug with Rubberized Housing 3' Cord with 10A Fused Plug Output: DC 5-Volt, 2.4A Max/ DC 5-Volt, 2.4A Max 12-Volt DC Bypass Sockets x 2