Blutle USB Smart Charging Socket, Outlet with 4 Port USB Charger, Power Strip Dual Switch Safe Surge Protection, Quick Charge 5A (4 Jack Hole Independent Switch (Black)) This USB smart charging socket with multiplier ports are shelled with Fireproof Material which possesses the Ability of High Temperature Resistance, Corrosion Resistance, hard to deform. 4-Ports DC Quick Charger with max output current 5V/5A, auto converter from 95V-240v, compatible with most 220V devices or household appliance. Energy conservation and environmental protection.Adopt new national standards plug to meet various demands. Built-in overcurrent and over voltage protection chip, eliminate the possibility of devices damaged.Built-in lightning and surge protection, protect the safety of eletronical appliances. Intelligent identification of various products and independent charging interface. Independent Switch on/off to each socket. Safety voltage and dangerous voltage was isolated, more safe. Large space can meet the use of different specification plug. Brutle Brand Packing, 1 Multi Plug USB Power Surge Protector, 1 Instruticons, 1 Warranty Card.