1,Voice broadcast,DC power interface,Over--pressure automatic exhaust 2,LCD display, SYS,DIA and PUL display at the same time 3,Easy to use, automatic pneumatic (pressure) ,measure and exhaust (decompression) 4,With a long life £¬hardly to deform armband ,data/time display, low battery monitor 5,irregular heartbeat/arrhythmia detectable,120*2 group memory functions 6,with high accuracy£ºblood pressure(¡À0.4Kpa (¡À3mmHg) pulse (¡À5%) 7,3 plus-minus 1 minutes automatic shutdown