2.1A large capacity， perfectly charge for GPS navigation systems， mobile phones， tablet PCs2 Dual USB jack， you can charge two phone simultaneously Color: blackMaterial: ABS + PlasticSize: about 5 x 5 x 5cm ( cable length is not included )USB port: 2Input voltage: 12V-24V ¡À 4.0VUSB ( output ) voltage : 5V ¡À 0.25VOutput Current : 2.1AOverall length : about 1.8mInsurance : 7.5AInstallation:Motorcycle motor vehicles universal mounting Mounting method : There are twoThe first: double-sided adhesive firmly fixedThe second: cable tie fixing 1 x Charger8 x Cable tie