Yubi Power 4.0A Dual USB Wall Charger 15A Duplex Tamper-Resistant Receptacle Wall Plate - UL Listed- 2 Port USB wall charger with a super high-current power of 4 Amp, 5VDC. This 4 amp USB charger can charge most compatible electrical device directly without an adapter. Tamper-Resistant Shutters provide compliance with 2011 NEC Code. Replace a standard duplex receptacle, back and side wire for easy installation. UL Listed and FCC Approved.