GHB

Max Range + 22 Channels: Range up to 4 km that you can use them at home, outdoor or climbing even you are not in the open area; 22 channels with FRS/GMRS system you can choose what channels you want to match the walkie talkies
Supporting 4 walkie talkies (even more) working together once time, while you match them on the same channel
Great LCD screen and built in flashlight of the walkie talkies