The TOPGREENER TU2154A USB charging device is designed to power up your electronic devices more quickly and reliably without the need of bulky AC adapters. Charge one device or multiple devices from a single USB receptacle. Charge two devices simultaneously while leaving room to power other appliances. The USB ports are equipped Intellichip technology, which reads the power need of devices to deliver optimal power and protect from overcharging and overheating. Included in the box: USB receptacle Instructions Technical Specifications: Compatible with USB 2.0 & 3.0 compatible devices Charging capacity rated at 4.0A Tested up to 4.8A AC receptacles are tamper-resistant to meet NEC requirements Back and side wire terminals accommodate #14 AWG - #12 AWG standard and solid copper wire for installation flexibility UL-listed TOPGREENER USB wall chargers are compliant with all required standards and are ETL-approved or UL-listed. As a longstanding partner to both DIYers and professionals, we have a large selection of products at affordable prices. Best of all, we offer expert advice to all our customers. Unlike your local big-box store, we will take the time to get to know your needs and recommend the right items for any job. Wall plate sold separately, see ENERLITES Elite Series wall plates for matching color.