Dimensions: 22cm x 6.2cm 【Retractable Design】The shoe dryer has a flexible retractable design that can adapt to a variety of shoe shapes and sizes. Whether it's sneakers, leather shoes, or boots, it can easily adapt, ensuring that every pair of shoes can be dried effectively. 【Heat Dissipation Through Multiple Holes】The holes in the shoe warmer are densely distributed, allowing for 360° all-around, three-dimensional drying, ensuring that warm air circulates efficiently inside the shoes. The heat is evenly distributed and dries quickly, so you can feel the warmth from the toe of the shoe to the heel. 【Fast and Efficient】The electric shoe dryer features a built-in PTC heater with a core temperature of up to 150℃. By destroying microbial growth conditions through the high temperature and dry environment, it can not only eliminate odor inside shoes but also inhibit the growth of bacteria and fungi to keep shoes hygienic. 【Two Switch Options】The portable, fast shoe dryer is designed with two switch modes: a timer switch and a normal switch. The timer can be set for 4, 8, or 12 hours. You can choose the right drying time according to your actual needs, making it flexible and convenient for use in different scenarios. [Protect your family's health] Reduce moisture and bacterial growth in shoes by drying at high temperatures and inhibiting microbial growth. Whether during the wet rainy season or the cold winter, this shoe and boot warmer with a timer can make your shoes dry and fresh again in the shortest possible time, protecting the foot health of you and your family.