4 Outlet Surge Strip with Two 2.1A USB Charging Ports - A compact 4 Outlet Surge Strip for home or office.4 Outlet Surge Strip with Two 2.1A USB Charging Ports features include: 4 Outlet Surge Strip with Two 2.1A USB Charging Ports Provides surge protection for USB and electrical devices Tamper Resistant rotating safety covers for all outlets 15A 120V 60 Hz Lit Reset/Off switch over current protection Surge Dissipation: 800 Joules Clamping Voltage: 500V L-N, N-G, L-G Max Surge Voltage: 6,000V Max Current Spike: 30,000A 3-Line Surge Protection EMI/RFI Filtering UL 1449 UL/cUL Listed Order Qty of 1 = 1 Piece Below is more info on our 4 Outlet Surge Strip with Two 2.1A USB Charging Ports