4 USB digital display mobile phone charger, European, American and British standard multi port charger with display screen[Product Material]: ABS mixed material [Voltage and Current]: AC100 240V 50 60Hz 0. 5A [Product output]: Single USB interface: 3. 1A (multi port uses average shunt 3. 1A 4) synchronous rectification solution [Product Color]: White, Black [Product size]: European standard: 55 * 28 * 100mm; US standard: 55 * 28 * 80mm; British standard: 55 * 50 * 85mm;