3GRACE USB Wall Outlet - The 20 Amp Duplex Tamper Resistant Receptacles with two USB charging ports with a total output of 4.2 Amp 5V DC. When use separately, the maximum output of the Type C port is 3.0 Amp 5V DC, and the Type A port is 3 Amp 5V DC. Fast Charging Smart Chip Tech - Identify and optimize the charging current of your devices. Protect devices from overcharging and overheating. Tamper Resistant Outlets - Tamper Resistant shutters protect children by preventing objects from being inserted into the slots of the outlets, provide a safe option for you and your family. Universal Compatibility - Allows you to charge USB and Type C devices while leaving room for other appliances; charge up to two USB devices simultaneously without adapters,Meets a variety of charging requirements to make sure your devices are charged at blazing-fast speeds. Easy Installation - Support back and side wiring for wide compatibility with diverse wiring needs, Detail specification included in t