This USB rocker switch power socket charges two devices simultaneously. Fits into any 13/16” x 1-7/16” rocker switch hole. Input 12?24VDC. Total output DC 5V/4.2A with the load being split between the two sides as needed. Enough power to charge iPhones, iPads and most other devices. Blue LED illumination. Protective dust cap extends the life of the charger. IP65 rating.