①When the temperature exceeds 104 -113 degrees Fahrenheit, the fan will be automatically turned on for heat dissipation. When the temperature is below 86 -95 degrees Fahrenheit, the fan will be automatically turned off
②The fan adopts all copper coil, good quality, long life, strong wind, let your equipment box cool down faster
③USB 5V low-voltage power supply, so that the device is safer to use, only need 0.5 a current to start the fan
④With screw mounting holes for easy fixing and installation