Our 5.0 amp dual type A USB charger, 15 amp duplex tamper resistant receptacle features a smart chip that recognizes and optimizes the charging power of your electronic devices for fast and efficient charging of tablets, phones, gaming devices, e-readers and a host of other electronic devices. They are compatible with all kinds of USB devices with multiple charging protocols including apple protocols, Sam sung protocols and standard BC1.2. They meet a variety of charging requirements to make sure your devices are charged at blazing-fast speeds, but not for laptops. Circuit protection system protects your device from various hazards as below: 1, line Loss compensation 2, backflow protection 3, overheating protection 4, over voltage protection 5, under voltage protection 6, over current protection 7, overload protection 8, short circuit protection.
- Smart chip recognizes the individual device's charging protocols and requirements to optimize charging of electronic devices for fast and efficient charging of phones, tablets, gaming devices, e-readers and a host of other electronic devices 
- Type A USB charging ports share a total output of 5v dc, 5a, 25w (max 5.0a standalone), meets a variety of charging requirements to make sure your devices are charged at blazing-fast speeds, but not for laptops 
- Tamper resistant outlets blocks the access to the contacts unless a two-or-three-prong plug is inserted, preventing young children from inserting unwanted objects into the outlets 
- Heavy-duty design is made to last 
- Works with 12 or 14 AWG for back wiring, compatible with all electrical boxes, decora devices, and wall plates