Dual USB Socket/Voltmeter with Hidden Display This Dual USB Socket allows for two devices to be charged simultaneously while also displaying the batteries output. The total output 4.8A load is split 2.4A per side as needed. Enough power to charge phones, pads, and tablets quickly and efficiently. Also fits Sea-Dog; Power Socket Shell 426100. Output DC 5V/4.8A. Input 12-24VDC. Red LED display. IP65 rating.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.