Works any USB-chargeable mobile device; 12V/24V input; 5V/2.1A output; Ideal for any source unit with USB input for data transfer; Ideal for use in cars, trucks, boats, powersport vehicles, etc.; Panel flush mount or custom bracket mount; 1 USB port with waterproof cover; Direct to battery wiring via internal, resettable fused connection; Retail polybag packaging; Includes 2 trim rings & 2 screws;