This adapter does NOT convert voltage and it won't work in the UK / Ireland / South Africa / HK, will not work with devices which rated voltage is lower than 110 volts either.
Locations using Plug Type M: Bhutan/ Botswana/ India/ Israel/ Lesotho/ Macau/ Malaysia/ Mozambique/ Namibia/ Nepal/ Pakistan/ Singapore/ South / Africa/ Sri Lanka/ Swaziland.