This Aaronia HF-4060 handheld spectrum analyzer comes with everything you need. It includes a proper power supply, a protective case, a USB cable, a user manual, and a CD.

Using this Aaronia spectrum analyzer is easy. First, connect it to the power supply. Then, use the USB cable to connect it to your device. Refer to the manual or CD for detailed setup and operation instructions. When not in use, keep it in the case to protect it from damage. Make sure to store it in a dry and cool place. Also, handle it gently to avoid any internal damage. If you have any questions, you can always check the manual or CD for solutions.