Features: Powerful Function A total power output of up to 4000W enables you to power up to 3 appliances and 4 USB powered devices simultaneously. Keep your electronic devices safe from voltage fluctuations, surges, spikes and lightning strikes. 4 USB Charging Ports(for WIFI Version) Total current 2.1A, single-port maximum 2.1A can charge quickly, supports BC1.2 charging protocol. 4 USB Charging Ports(for Regular Version without WIFI Control) Total current 4.6A, single-port maximum 2.4A can charge quickly, supports BC1.2 charging protocol. Convenient to Use Good Quality Just plug and play. Know the on/off status at a glance of the LED indicator. The 5.9ft brilliant power cord delivers optimal, safe power and enables easy connections to a distant wall outlet.High-precision phosphor bronze 0.5*6mm in one piece design, PC+ABS alloy V0 flame retardant material which can stand 750? high temperature. Safe Guard Equipped with over current protection and over-heating protection, providing you a safe and thoughtful use. Delicate Design Compact and space-saving design keeps your desk neat and organized. Well-placed outlets enable more convenient plugging and less conflict between plugs. It can accommodate larger power adapters.