InstaSense(TM) technology automatically delivers the required power for device ; Auto-voltage switching (100-240V AC) works with voltages across the globe ; Output: 2.4A/12W ; Input: 100V-240V AC, 50Hz-60Hz ; Power-protection circuitry safeguards valuable devices from overvoltage, overcurrent or short circuit conditions ; Black/Silver;Length: 7.60"Width: 2.80"Height: 2.10"