TK20 Cooling Fan Set - Model Name: TK20 - Voltage: DC 12V - - Included: 2 cooling fans, battery, cable [Industry First in 2025 - Cooling Plate Included - Fan & Battery Set] The fan and battery set with a cooling plate, supporting heatstroke prevention in the summer of 2025, is finally here! With a 30V super high output, it instantly cools with Peltier element cooling technology. Pressing the button rapidly circulates a large amount of super cool air inside the clothing, quickly drying sweat, expelling stuffy air, and creating an even stronger wind sensation, producing an exhilarating feeling! It maximizes the performance of your work clothes! The battery is made of metal, with excellent waterproof, dustproof, and durability. This is an essential item for outdoor workers, simultaneously improving work efficiency and safety at construction sites and outdoor work under the scorching sun. [Evolved to Storm-Force 168ℓ/s Extra-Large Airflow & 3D Circulation Airflow & Cooling Mode] Fans specifically for air-conditioned work clothes and workwear with fans ✔️ Equipped with 2 modes (airflow mode and cooling mode), pressing the battery button switches between 4 levels: 15V/19V/24V/30V, and operates continuously for up to 18 hours. While the fan is running, pressing the cooling button on the main unit once activates the cooling function. Each time you press the battery button again, you can switch between 4 levels of cooling mode, maintaining coolness for up to 5 hours. It is useful not only at work sites but also in various scenes such as outdoor activities like camping and picnics, farming, transportation, fishing and touring, sports観戦, and outdoor events.  [30V High Power・40000mAh Ultra-Large Capacity・PSE Certified] 40000mAh ultra-large capacity that can maintain coolness for 18 hours, and stress-free with approximately 4.5 hours of quick charging!