Set of 2 12V Peltier Fans - Manufacturer: Sakura Electronics - Model: SBT-07 - Set Contents: 12V Fan x 2, Instruction Manual x 1 - Switch: Peltier independent ON/OFF switch Regular fans are affected by the outside temperature, but with a Peltier element, you can draw in cool air, 2-3 degrees Celsius below the outside temperature, into your clothing! *Batteries are not included. This is for the fans and accessories only. Thank you for viewing.