Chinese and English voice annunciationCTCSS/CDCSSTOTMonitorPriority channel scanningBusy channel lockoutHigh/low power switch with side keyAlarm functionFM radioCompander on/ offScramblerAuto whisper function VOX functionLighting functionEnd-tone eliminationV:136Mhz-174Mhz U:400Mhz-480Mhz16 channels58(W)*112(L)*34(T)mm F3958(W)*114(L)*34(T)mm F3658(W)*114(L)*36(T)mm A66 58 68 518S 618 618S 610 620 57(W)*129(L)*43(T)mm A52858(W)*125(L)*41(T)mm A628227g with battery 197g with battery 235g with battery1250mAh(Li-ion) 1300mAh(Li-ion)