This electric ski boot dryer is particularly suitable for drying shoes worn by sweaty feet, or shoes that get wet in the rain, or wet shoes / boots in winter, or simply heated boots in winter. It's set at a constant temperature, it won't get too hot to damage your shoes. This electric boot warmer is suitable for leather shoes, cloth shoes, boots, ski boots, sneakers, gloves, to socks, etc. The electric shoe dryer eliminates moisture inside the shoe and with a violet lamp sterilization device, eliminates the growth of bacteria. Voltage: 220V 50Hz. Size: about 17 x 6 x 3cm. The electric shoe warmer is adopted plastic material and electronic component, high quality and durable to use. Drying time varies from approximately 1 to 10 hours, depending on how damp the shoes are. It is best to use the product before going to bed, so that the shoes dry the next morning, saving time. (Attention, please do not use this product on shoes that are completely wet and still dripping).