BC Master Power Strip with USB, 1250W Safety Surge Protector Power Strip with 4 Outlets & 20W 4 USB Charging Ports for Samsung Galaxy S7 Edge/Note, iPhone 6s / 7 Plus, and Tablets Function:4 USB Super Charging Ports with a MAX power output of 20W, it detects your devices to deliver the ideal charging speed up to 2.4A per port,1700 joule Surge Protector Energy supplies complete protection with a total power output of 1250W Advantage: 4 AC outlets & 4 USB charging ports with 4.8 ft power cord allows you to power up to 8 electrical devices while protecting your electronics from voltage fluctuations and spikes Features:Lightweight and Slim design, easy to carry on and ideal choice for your power supply in home/office Safety Guaranteed: Surge protection, circuit-breaker and the fire-resistant cable keep appliances safe.safeguards your home computers, laser printers, broadband modems and more. Package include:BC Master Surge Protector, Instruction Manual. Free lifetime technical support and 24 months warranty.