Features:High Speeding Intelligent Quad USB Charging (1.0A-2.4A) - Fast charging tablets and phones simultaneously according to OEM specifications. Smart charge at maximum speed limited by devices or USB ports; never have to worry about which port for which device. Use your own cable to charge your devices.Support all USB Devices like - Samsung， LG， Sony Huawei， Moto XiaoMi Phone & Pad， Apple Phone， Watch & iPad， Bluetooth Speaker & Watch， Digital Camera， Selfie Stick， USB LED Light etc.The sockets/outlets support all types of plugs including European， Great Britain， and Australia etc. The Sockets support high-power electrical equipment， such as: induction cooker， electric wire， refrigerators， air conditioners and all appliances.It has anti-surge， anti-lightning， overload protection. Inner conductor using copper material metal forming， conductivity and better thermal performance， safer and more durable.Using high-strength special fire-retardant plastic material manufactured housing， the professional flame test temperature to 760?? overall composite state flammability standards.Wire material standard 0.75 square copper wire core by the National CCC certification， at 2500W rated power does not soften the sustainable use of variants. Parameters:Model Name: D500-4U(White/Black Color)Power Voltage: 10A 110-250V Rated power: 2500wSurge Energy: 1700j Peak current: 15000AResponse time: 1NS USB total output: 5V 6AUSB Input: 110-250VAC 50 / 60HzUSB Output: 5V-2.4A / 1.0A Automatic distribution of currentPackage Contents:1 * 4 Ports USB Charger1 * 1.8M Charging Cable