5188
16 Channel Waterproof Long Range Walkie Talkies, IP67 Floating 2 Way Radio Rechargeable, Two Way Radio for Kayaking, Rafting, Hydro Flying
Features:
1) Output: High Power
2) Frequency Range: 400-470MHz
3) IP67 waterproof and dustproof (Not diving)
4) High & Low Power Switchover
5) Battery Saving
6) Time-out Timer (TOT)
7) Voice Prompt
8) Busy Channel Lock Function
9) Low Battery Warning
http://www.sifangradios.com/tw....o-way-radios/handhel