3 NEMA 5-15R outlets; 2 USB charging ports with 3.1A total; 510 Joules; Protection against surges, spikes & EMI/RFI line noise; Top storage shelf accommodates smaller mobile devices during charging; Attaches permanently to adjustable clamp that fits most desks, tables & workstations; $20,000 Ultimate Lifetime Insurance for US, Canada & Puerto Rico; 10ft power cord; Black;