Last Call Voice Recording
 
Active Noise Cancelling Technology
 
Bass Boost Function
 
700mW Loud Audio
 
6W RF Output Power
 
IPX8 Submersible Plus™ Waterproofing
 
Slim, Hourglass Body Wide Viewing Angle LCD
 
AquaQuake™ water draining function
 
Dual/Tri-Watch function for monitoring Channel 16 and/or call channel
 
4 level battery indicator
 
Optional waterproof speaker-microphones, HM-167 and HM-202
 
Auto power save function