The 61501-TR2USB-S is a 4.0 Amp, 5V dual USB Type-A charger with two 15 Amp tamper-resistant receptacles. Our high speed USB ports include IntelliChip technology to deliver the most advanced charging technology and optimize current to reduce charging time to devices. The USB charger receptacle allows the user to charge up to two USB devices simultaneously without the use of bulky adapters while continuing to power traditional appliances such as a lamp or television with the same receptacle. In compliance with 2017 NEC Article 406.12, this device also includes two 15 Amp tamper-resistant outlet, which feature internal shutters that prevent the insertion of foreign objects into the receptacle. This USB charger is ideal for residential and commercial applications including kitchens, bedrooms, home offices, college dormitories, airport lounges, salons and spas, hotel meeting rooms, and restaurants.