When travelling overseas, carry Voltage converters to protect your expensive electronics like cameras, notebooks, phone etc. from power spikes and convert 220 volt power to 110 v Deluxe Automatic Voltage Regulators/Stabilizers come with built-in 110/220 Volt Voltage Transformer and a volt meter. These can be used as a step up or step down transformer or just as a voltage stabilizer to protect your appliances from burnouts caused by power surges and drops which is a common occurrence in many countries.
Please read our Transformer Purchase Guide before making a selection.