Features: -Equipped with the latest smart IC chip and signal booster technology, it ensures optimal transmission and anti-interference protection. -It comes with a magnetic base that allows you to mount on most metal surfaces and start receiving TV signals in minutes. No built-in power supply required, no tools required, no setup complications.-If you are having difficulty searching for channels or are only receiving a limited number of channels, try changing the position of your TV antenna and performing another channel scan. Remember to rescan for channels every time you move your TV antenna. Adjusting the position of your antenna can have a significant impact on signal reception, and rescanning ensures that you capture all available channels in .