Dual USB ports conveniently charge most electronic devices and is more energy efficient than many plugged in adapters * LED indicator light glows to notify user that device is charging and will go off when a full charge is achieved * 15A 125V single receptacle is compliant with 2011 NEC and features UL approved Tamper Resistant Shutters that resist the insertion of foreign objects that can cause electrical shock and injury * Backwire clamps on side terminals provide for easy installation of #12 and #14 AWG wire * Replaces existing standard duplex receptacle