Appliances made in U.S and Canada do not work in most parts of the world without a converter as they are designed to operate on 110/120V AC but in India the voltage is 220/240V AC. This converter with universal sockets allows you to use your appliances outside of U.S and Canada. Appliances have wattage rating marked on them and should be checked before using so that the wattage of the appliance is within the specified wattage of the converter. Plug in your appliance into the female side of the converter and plug male side of converter to electricity outlet. Use with video cameras,CD Player,Radio Cassettes,razors,,Walkmans,battery chargers, handheld video games, flash unit, tooth brush, telephones,calculators,AC Adaptors. Do not use to operate appliances greater than 20W.After use, remove the converter from wall outlet immediately. This converter should not be used with power tools and electronics circuitry products like fax machine, computers, type writers, stereos, VCRs,micro wave ovens, washing machine etc. 100% safe to operate,high quality with best performance .