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