A compact design, hourglass body-shape and comfortable side grips give the IC-M72 an outstanding form factor-its easy to use with just one hand! The IC-M72 6 Watts of transmit power can carry a conversation a long way. A large capacity 2000mAh Lithium-Ion battery allows for 15-16 hours of operation, under normal conditions. The M72 impressive audio output (600mW typ.) is loud enough to hear in most any marine environment û even over loud engine noise. The IC-M72 offers Icoms best-ever protection against water intrusion. This radio has been tested to survive after being submersed in 1.5m (4.9ft) depth of water for 30 minutes. A wide viewing angle, high intensity LCD is used in the IC-M72, offering bright, easy to read characters. The bright LCD backlighting and backlit keypad is great for night time operation. The IC-M72 antenna is engineered to perform with typical Icom efficiency even though it is nearly 30% shorter than previous Icom marine antenna. 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). AquaQuake draining function emits a vibrating sound and clears water away from the speaker grill.