StarTech - ST4CU424 - StarTech.com 4-Port Charging Station for USB Devices - 48W/9.6A - 48 W Output Power - 120 V AC, Type: USB Ports: 4 x USB A (4 pin) Female LEDs: 1 x Power 4 x Short circuit fault indicator beside each port Power Input: Input Current: 1.5 A Input Voltage: 100 - 240 AC Output Current: 4 A Output Voltage: 12 DC Power Source: AC Adapter Included Dimensions: 1.00 x 2.40 x 3.70 Weight: 4.50 oz. Temperature: Operating: 5 to 30 degree C Storage: -20 to 50 degree C Humidity: 20-80% RH, (Non Condensing)