Keeping The Family Together. Simple, Compact And Easy-To-Use By The Entire Family, The T100 Is The Perfect Way To Stay In Touch When Out And About, Whether At The Playground, Hiking In The Park Or Enjoying A Picnic. This Colorful Two-Way Radio Has A Range Of Up To 16 Miles And Features 22 Channels, Providing You With Just What You Need To Instantly Reach Your Family And Friends, And Know TheyRe Safe. The T100 Is Available In A Twin-Pack Or Triple-Pack. How Far Can I Expect My Radios To Communicate The Communication Range Quoted Is Calculated Based On An Unobstructed Line Of Sight Test Under Optimum Conditions. Actual Range Will Vary Depending On Terrain And Conditions And Is Often Less Than The Maximum Possible. Your Actual Range Will Be Limited By Several Factors Including, But Not Limited To Terrain, Weather Conditions, Electromagnetic Interference, And Obstructions. Battery Life Depends On Factors Such As Device Usage Frequency And Load, Os Error, Usability Capacity/Battery Capacity, And Cellular Signal