Designed in the USA & includes Limited Lifetime warranty - Return it for any reason and we will replace it with a new one. 2 in 1 Input: Accepts the standard N American 2 and/or 3 prong flat pin Plug (including polarized) - No Messy Universal Outlet Ultra compact Size & Safe: only measures 1.5 x 1.5 x 1.75" & max load rating: 10-15A/250V Perfect for traveling to Denmark. This adapter will not work with curling iron, straightener, hairdryer. Note: This travel adapter plug is compatible with only Dual Voltage products & Electronics. It will not work with 110V items such as hair clippers, CPAP machine, hair dryers & curling irons etc. It is NOT a voltage converter and it will not convert voltage from 220V to 110V or vice versa. It will not work with hair dryer