YOPI 2A High Speed Dual USB Phone Pad Charger with 15A Screwless Wall Plates 2 Outlets Band Panel Faceplate Black ETL Listed 2 USB Port share a high-current power of DC2.1A. Charge most compatible electrical device directly without an adapter. Easy installation into single-gang wall back box no special tools and wiring required. Charges up 4 electronic devices from one outlet. Certificate:ETL,CETL