Peltier Vest Cold and Warm All Season 【TULTEX】 ※Note: Batteries and ice packs are not included. A cool vest made of mesh material by TULTEX. Temperature settings range from -20°C to 49°C, allowing for all-season use. - Brand: TULTEX - Model Name: COOL & WARM SILENT PELTIER VEST - Temperature Settings: -20°C / 49°C Used a few times, and since it wasn't used often and no strenuous activities were performed, it's in relatively good condition. I am selling it because I have fewer opportunities to use it due to a shift from field work to office work. Please refrain from purchasing if you are sensitive to used items or if you require returns. Returns and exchanges are not accepted to prevent product substitution. Everything in the images is included. Batteries and ice packs are being used for other purposes and are not included with this item. There are no operational issues. As shown in the photos, the power has been confirmed.