I am selling this item because I purchased it this summer and have only used it twice, so I have no further use for it. Please refrain from purchasing if you are concerned about the item being stored at home. 2025 Model - Peltier Vest with 5 Evolved Devices for Instant Body Cooling/Heating [Cooling in Summer] ・Amazing speed cooling ・Up to -28°C (approx. -3°C surface temperature) (※Temperature difference from the device surface temperature when the ambient temperature is approx. 25°C, according to the manufacturer) [Warm in Winter] ・Amazing speed heating ・Up to +39°C (approx. 49°C surface temperature) (※When the ambient temperature is approx. 10°C, and wearing an outer garment over the vest) [Workman's Most Ever! 5 Peltier Elements] ・Equipped with a total of 5 Peltier devices: 1 on the back, 2 on the lower back, and 2 on the front ・Experience coolness/warmth over a wider area! [New Function! Dial Moving Adjuster] ・By turning the dial on the right chest, you can adjust the position of the two Peltier devices on the lower back up and down ・You can change the cooling position, so you can feel the cooling/heating more continuously! [Adjustable to Your Preferred Temperature] ・You can switch between 4 cooling modes and 2 heating modes, allowing for fine temperature adjustments [Fits body types from S to 5L size (chest 80-124cm)!]