Transmitting 6 watts of power, the Icom M72 VHF radio has the highest transmitting power available ensuring that boat over the horizon will hear your calls for help. It also features 15-16 hours of typical use before the battery dies, making it longer lasting that most other radios. Features include: Auto scan function to start scanning when receiving no signal, Auto power save function, Battery indicator shows remaining battery power in 4 levels, Instant access to Ch. 16 and Ch. 9 (or call channel), Auto WX scan and WX Alert function, Simple add/delete TAG scanning operation, Built-in UT-112 compatible voice scrambler (Depending on version), and an AquaQuake draining function emits a vibrating sound and clears water away from the speaker grill.