5 W waterproof floating handheld VHF radio delivering 12-hour runtime with outstanding transmission and reception performance. FLOAT & FLASH  + ALARM.  IPX7 protection rating 5 W power output. 156-163.425 MHz frequencies.12-hour runtime (assuming 5 % transmit, 5 % receive, 90 % watch). 1750 mA Li-ion battery Dual and triple watch 10-channel weather function Instant access to Channel 16 and programmable favourite channels ATIS mode for inland waters Micro-B USB charger Large backlit LCD display (35 x 25 mm) Large user-friendly backlit keys External speaker-mic connection  (optional mic) Operating temperature : -15° to +55°C Weight : 220 g  (battery, antenna and belt clip included)