This Walkie Talkie is portable， easy to use， that you can carry almost anywhere. Unique CTCSS is useful to setup group users to avoid unwanted conversations on the same channel. The feature allows for more efficient use of channels by limiting the amount of time of each transmission. Also， it effectively avoids radio damage because of long-time transmission. The Best Walkie Talkie is ideal for use around the house， in your boat， on hunting and camping trips， on the ski slopes or at the mall.