LiteFuze LC-100UK 100Watt Step Up/Down Travel Voltage Converter, UK Cord Max Up to 100 Watt capacity with Thermal Fuse Protection Voltage Step Up or Step Down functionality for World Wide Use Fully Grounded Transformer from Input to Output for safe operation Converting box Technology - No Noise, Light Weight, Energy Efficient Product Dimensions: 4 x 3 x 2.5 inches