Features: Induced Draft Laptop Cooler Small and lightweight, large air volume, low noise and long service life, can rapidly reduce both surface and internal temperature, far better than cooling pads. Fan Speed Temperature Display The cooling fan display screen shows the real-time working status fan speed and outlet temperature alternately, convenient to manage the airflow. Automatic Mode Laptop cooler will auto-detect the temperature of air outlet on laptop, and starts to work when the temperature is up to 38℃. The higher the temperature, the faster the fan speed. Maunal Mode Long press the mode button to switch automatic and manual modes. When in manual mode, you can easily control the fan speed by pressing the speed +/- buttons according to real-time temperature. Easy Installation With three silicone cases, a magnetic base and adjustable clamping arms, you can easily install and fix the cooler on your laptop. Plug and Play.