<b>Specification:</b><br>Output Power : 500 Watts<br>Input Voltage: AC 110V / 220V<br>Output Voltage: AC 220V ±8% / 110V ±8%<br>Boot delay: 5s Current (A): 10A(110V) 5A(220v)<br>Insulation Resistance: ≥2Ω<br>Protection: Over-voltage / Under-voltage / Overload / Over Temperature delay protection / L ighting protection<br>Size: 8" x 6" x 6"<br>Weight: 5 lbs<br><br><b>For Optimal Use:</b><br>1. For safety reasons, it's recommended to use a Voltage Converter / Transformer that's max watts is at least 50% higher than your appliance.<br>2. For example, if your appliance is rated at 100 watts, you need to buy a Transformer with a max power of at least 150 watts or greater. Some appliances, such as heating appliances, power tools, motors, laser printers and TVs, require 2-4 times more watts at start up than the printed rated wattage.<br>3. Please switch to the correct voltage before you plug in (110V in US).<br>