Upgraded 2000W Converter for 110V Devices: 2-prong AC converter socket can step down foreign voltage from 220-240V to 110V, designed for US standard devices when Americans travel to 220-240V countries, such as Conair/ babylisspro/ Revlon hair styling tools (hair straightener, flat iron, curling iron) and hair dryers (except Dyson), steam irons, electric kettle etc. 2300W Adapter for Dual Voltage Devices: 3-prong adapter socket can work with dual voltage (100-240V) devices in every country, such as cell phone, camera, iPad, laptop, Dual voltage hair tools (hair dryer, straightener, flat iron, curling iron, hair Clipper, electric shaver), Dual voltage (CPAP, electric toothbrush) and other Dual voltage devices. Global Compatibility: DOACE Travel Adapter Converter is built-in with a US Plug and 3 travel plug adapters (UK,AU,EU plug adapters can be used with dual voltage devices under 2000W in all countries), allowing to be used in over 190 countries, such as Ukraine, Mexico, Thailand, Vietnam, Bali, Cambodia, Germany, Japan, China,Korea,India,Italy,Brazil,Europe, Asia, the Middle East, Etc. Safety Assurance: Built in auto shut-off protection in case of over voltage / over current / short circuit / over temperature / over load and Surge Protection. Patent Reserved. Products passed and implemented ROHS, FCC, CE, ETL certification. Note: Please note that the 2-prong AC converter socket can compatible with electric products are simple mechanical motors, but cannot work for too low wattage electronic devices(0-5W) such as electric shaver, electric toothbrush etc; The 3-prong adapter socket could not converter voltage, Do not insert 100V-125V devices into the adapter socket.