Lock switch or button lock features in radios will prevent accidental touches on buttons or switches. We may accidentally touch buttons when we travel or play while listening to a channel. The lock switch function will help you listen to the channel without interruption. After you tick all the important factors in the buyer’s guide, you can order your favorite long-range AM reception radio from the shortlisted ones. Start enjoying the ultimate joy of using radio and the evergreen classic way of music-listening.