Handheld police scanners, also known as portable scanners, can be used in the home, in the car, or walking around town. Handheld scanners run on batteries, but the radios can also be run off wall-power with an included AC adapter. The Newer models come with a USB cable, and no wall adapter, the USB cable is similar to how an iPhone connects. You can charge and program your scanner with the same cable from the wall or your PC. Handheld police scanners usually receive as well as base units. A low-end scanner starts around $100, but do not offer trunking or digital capabilities. These technologies maybe needed to monitor transmissions in your area. To ensure you have the correct model for your area contact us and we will be more then happy to help you choose the best police scanner.