Retevis RT55 is mulitifunction professional handheld marine two way radios and well-designed on IMO(International maritime organization)resolution and it meets military standards. <br>10 NOAA weather channels and Marine Channels of US, Canada, and International, ideal for boaters, sailors, fisher and anyone on the ocean <br>HOT SPOT:<br> Water-resistant Protection: IP67<br> Floats on Water: the transceiver can be floated when fell into water<br> Vibration Water Draining Function<br> Dual Watch/Tri-Watch(US, Canada, and International)<br> <br><br> <b>Main functions:<br> Adjustable volume<br> Adjustable Squelch<br> Channel Group Selective<br> Channel Selection: Channel 16/Call Channel/Weather Channels<br> Volume Mute Function<br> Automatic Backlight<br> Lock Function<br> What you can get:<br> 1 x RT55 Marine two way radio<br> 1 x Antenna<br>1 x Battery Pack<br> 1 x Power Adapter<br> 1 x Charger<br> 1 x Belt Clip<br> 1 x Sling<br> 4 x Screw<br> 1 x User English Manual