Folding size: 149*139*50mm Open size: 170*139*132mm Material: food grade silicone Power: 700 Watts Capacity: 555ML Voltage Range: 110-220V Boiling Time: 3 mins Package Includes: 1 * Foldable Travel Kettle 1 * Instruction 110V/220V Dual Voltage Optional, Take along for readily accessible hot water on any continent. Easy to Carry, folding designed to be easily packed in your backpack or luggage. 700 watts rated power enable water boiled in 3 mins. Fast boiled in 3-5 minutes, Once the temperature below 75 degree, water will be self-heated. You can separate power cord and handle from kettle body for easier storage and water resistance.